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Finding the Fourth Proportional to 531,808.50, 797,711.22 and 132,449.55

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Solution

The fourth proportional to 531,808.50, 797,711.22 and 132,449.55 is: 198,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,808.50 : 797,711.22 = 132,449.55 : x
  2. Step 2: Convert to fraction form
    531,808.50/797,711.22 = 132,449.55/x
  3. Step 3: Cross multiply
    531,808.50x = 797,711.22 × 132,449.55
  4. Step 4: Simplify right side
    531,808.50x = 105,656,492,118.95
  5. Step 5: Solve for x
    x = 105,656,492,118.95/531,808.50
  6. Step 6: Final answer
    x = 198,673.94

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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.