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Finding the Fourth Proportional to 531,655.25, 797,481.05 and 132,295.95

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Solution

The fourth proportional to 531,655.25, 797,481.05 and 132,295.95 is: 198,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,655.25 : 797,481.05 = 132,295.95 : x
  2. Step 2: Convert to fraction form
    531,655.25/797,481.05 = 132,295.95/x
  3. Step 3: Cross multiply
    531,655.25x = 797,481.05 × 132,295.95
  4. Step 4: Simplify right side
    531,655.25x = 105,503,512,455.27
  5. Step 5: Solve for x
    x = 105,503,512,455.27/531,655.25
  6. Step 6: Final answer
    x = 198,443.47

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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.