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Finding the Fourth Proportional to 531,708.02, 797,557.90 and 132,346.12

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Solution

The fourth proportional to 531,708.02, 797,557.90 and 132,346.12 is: 198,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,708.02 : 797,557.90 = 132,346.12 : x
  2. Step 2: Convert to fraction form
    531,708.02/797,557.90 = 132,346.12/x
  3. Step 3: Cross multiply
    531,708.02x = 797,557.90 × 132,346.12
  4. Step 4: Simplify right side
    531,708.02x = 105,553,693,540.35
  5. Step 5: Solve for x
    x = 105,553,693,540.35/531,708.02
  6. Step 6: Final answer
    x = 198,518.15

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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.