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Finding the Fourth Proportional to 435,375.60, 652,440.36 and 247,999.92

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Solution

The fourth proportional to 435,375.60, 652,440.36 and 247,999.92 is: 371,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,375.60 : 652,440.36 = 247,999.92 : x
  2. Step 2: Convert to fraction form
    435,375.60/652,440.36 = 247,999.92/x
  3. Step 3: Cross multiply
    435,375.60x = 652,440.36 × 247,999.92
  4. Step 4: Simplify right side
    435,375.60x = 161,805,157,084.77
  5. Step 5: Solve for x
    x = 161,805,157,084.77/435,375.60
  6. Step 6: Final answer
    x = 371,644.98

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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.