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Finding the Fourth Proportional to 657,710.70, 986,566.05 and 237,000.30

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Solution

The fourth proportional to 657,710.70, 986,566.05 and 237,000.30 is: 355,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,710.70 : 986,566.05 = 237,000.30 : x
  2. Step 2: Convert to fraction form
    657,710.70/986,566.05 = 237,000.30/x
  3. Step 3: Cross multiply
    657,710.70x = 986,566.05 × 237,000.30
  4. Step 4: Simplify right side
    657,710.70x = 233,816,449,819.82
  5. Step 5: Solve for x
    x = 233,816,449,819.82/657,710.70
  6. Step 6: Final answer
    x = 355,500.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 657,711.70, 986,567.55 and 237,001.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.