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Finding the Fourth Proportional to 657,914.90, 986,872.35 and 237,233.30

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Solution

The fourth proportional to 657,914.90, 986,872.35 and 237,233.30 is: 355,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,914.90 : 986,872.35 = 237,233.30 : x
  2. Step 2: Convert to fraction form
    657,914.90/986,872.35 = 237,233.30/x
  3. Step 3: Cross multiply
    657,914.90x = 986,872.35 × 237,233.30
  4. Step 4: Simplify right side
    657,914.90x = 234,118,984,269.26
  5. Step 5: Solve for x
    x = 234,118,984,269.26/657,914.90
  6. Step 6: Final answer
    x = 355,849.95

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Double scale
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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.