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Finding the Fourth Proportional to 351,761.76, 527,580.72 and 102,385.44

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Solution

The fourth proportional to 351,761.76, 527,580.72 and 102,385.44 is: 153,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,761.76 : 527,580.72 = 102,385.44 : x
  2. Step 2: Convert to fraction form
    351,761.76/527,580.72 = 102,385.44/x
  3. Step 3: Cross multiply
    351,761.76x = 527,580.72 × 102,385.44
  4. Step 4: Simplify right side
    351,761.76x = 54,016,584,152.72
  5. Step 5: Solve for x
    x = 54,016,584,152.72/351,761.76
  6. Step 6: Final answer
    x = 153,560.14

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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.