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Finding the Fourth Proportional to 498,593.94, 688,061.46 and 272,239.44

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Solution

The fourth proportional to 498,593.94, 688,061.46 and 272,239.44 is: 375,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,593.94 : 688,061.46 = 272,239.44 : x
  2. Step 2: Convert to fraction form
    498,593.94/688,061.46 = 272,239.44/x
  3. Step 3: Cross multiply
    498,593.94x = 688,061.46 × 272,239.44
  4. Step 4: Simplify right side
    498,593.94x = 187,317,466,555.98
  5. Step 5: Solve for x
    x = 187,317,466,555.98/498,593.94
  6. Step 6: Final answer
    x = 375,691.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.