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Finding the Fourth Proportional to 488,068.48, 731,831.12 and 151,013.52

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Solution

The fourth proportional to 488,068.48, 731,831.12 and 151,013.52 is: 226,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,068.48 : 731,831.12 = 151,013.52 : x
  2. Step 2: Convert to fraction form
    488,068.48/731,831.12 = 151,013.52/x
  3. Step 3: Cross multiply
    488,068.48x = 731,831.12 × 151,013.52
  4. Step 4: Simplify right side
    488,068.48x = 110,516,393,476.74
  5. Step 5: Solve for x
    x = 110,516,393,476.74/488,068.48
  6. Step 6: Final answer
    x = 226,436.24

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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.