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Finding the Fourth Proportional to 356,411.25, 534,560.96 and 116,523.47

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Solution

The fourth proportional to 356,411.25, 534,560.96 and 116,523.47 is: 174,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,411.25 : 534,560.96 = 116,523.47 : x
  2. Step 2: Convert to fraction form
    356,411.25/534,560.96 = 116,523.47/x
  3. Step 3: Cross multiply
    356,411.25x = 534,560.96 × 116,523.47
  4. Step 4: Simplify right side
    356,411.25x = 62,288,894,730.31
  5. Step 5: Solve for x
    x = 62,288,894,730.31/356,411.25
  6. Step 6: Final answer
    x = 174,766.92

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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.