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Finding the Fourth Proportional to 531,390.38, 797,082.59 and 132,030.97

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Solution

The fourth proportional to 531,390.38, 797,082.59 and 132,030.97 is: 198,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,390.38 : 797,082.59 = 132,030.97 : x
  2. Step 2: Convert to fraction form
    531,390.38/797,082.59 = 132,030.97/x
  3. Step 3: Cross multiply
    531,390.38x = 797,082.59 × 132,030.97
  4. Step 4: Simplify right side
    531,390.38x = 105,239,585,865.18
  5. Step 5: Solve for x
    x = 105,239,585,865.18/531,390.38
  6. Step 6: Final answer
    x = 198,045.71

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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.