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Finding the Fourth Proportional to 597,927.80, 896,891.70 and 574,308.20

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Solution

The fourth proportional to 597,927.80, 896,891.70 and 574,308.20 is: 861,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,927.80 : 896,891.70 = 574,308.20 : x
  2. Step 2: Convert to fraction form
    597,927.80/896,891.70 = 574,308.20/x
  3. Step 3: Cross multiply
    597,927.80x = 896,891.70 × 574,308.20
  4. Step 4: Simplify right side
    597,927.80x = 515,092,257,821.94
  5. Step 5: Solve for x
    x = 515,092,257,821.94/597,927.80
  6. Step 6: Final answer
    x = 861,462.30

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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.