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Finding the Fourth Proportional to 442,037.79, 663,061.32 and 353,851.88

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Solution

The fourth proportional to 442,037.79, 663,061.32 and 353,851.88 is: 530,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,037.79 : 663,061.32 = 353,851.88 : x
  2. Step 2: Convert to fraction form
    442,037.79/663,061.32 = 353,851.88/x
  3. Step 3: Cross multiply
    442,037.79x = 663,061.32 × 353,851.88
  4. Step 4: Simplify right side
    442,037.79x = 234,625,491,321.98
  5. Step 5: Solve for x
    x = 234,625,491,321.98/442,037.79
  6. Step 6: Final answer
    x = 530,781.52

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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.