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Finding the Fourth Proportional to 531,761.50, 797,469.72 and 176,680.18

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Solution

The fourth proportional to 531,761.50, 797,469.72 and 176,680.18 is: 264,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,761.50 : 797,469.72 = 176,680.18 : x
  2. Step 2: Convert to fraction form
    531,761.50/797,469.72 = 176,680.18/x
  3. Step 3: Cross multiply
    531,761.50x = 797,469.72 × 176,680.18
  4. Step 4: Simplify right side
    531,761.50x = 140,897,093,674.15
  5. Step 5: Solve for x
    x = 140,897,093,674.15/531,761.50
  6. Step 6: Final answer
    x = 264,962.95

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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.