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Finding the Fourth Proportional to 451,332.48, 676,997.49 and 114,372.15

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Solution

The fourth proportional to 451,332.48, 676,997.49 and 114,372.15 is: 171,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,332.48 : 676,997.49 = 114,372.15 : x
  2. Step 2: Convert to fraction form
    451,332.48/676,997.49 = 114,372.15/x
  3. Step 3: Cross multiply
    451,332.48x = 676,997.49 × 114,372.15
  4. Step 4: Simplify right side
    451,332.48x = 77,429,658,475.90
  5. Step 5: Solve for x
    x = 77,429,658,475.90/451,332.48
  6. Step 6: Final answer
    x = 171,557.91

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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.