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Finding the Fourth Proportional to 522,265.66, 783,398.49 and 344,731.15

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Solution

The fourth proportional to 522,265.66, 783,398.49 and 344,731.15 is: 517,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,265.66 : 783,398.49 = 344,731.15 : x
  2. Step 2: Convert to fraction form
    522,265.66/783,398.49 = 344,731.15/x
  3. Step 3: Cross multiply
    522,265.66x = 783,398.49 × 344,731.15
  4. Step 4: Simplify right side
    522,265.66x = 270,061,859,849.16
  5. Step 5: Solve for x
    x = 270,061,859,849.16/522,265.66
  6. Step 6: Final answer
    x = 517,096.72

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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.