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Finding the Fourth Proportional to 531,494.83, 797,245.18 and 132,135.60

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Solution

The fourth proportional to 531,494.83, 797,245.18 and 132,135.60 is: 198,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,494.83 : 797,245.18 = 132,135.60 : x
  2. Step 2: Convert to fraction form
    531,494.83/797,245.18 = 132,135.60/x
  3. Step 3: Cross multiply
    531,494.83x = 797,245.18 × 132,135.60
  4. Step 4: Simplify right side
    531,494.83x = 105,344,473,609.00
  5. Step 5: Solve for x
    x = 105,344,473,609.00/531,494.83
  6. Step 6: Final answer
    x = 198,204.14

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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.