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Finding the Fourth Proportional to 468,358.20, 702,538.92 and 113,371.65

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Solution

The fourth proportional to 468,358.20, 702,538.92 and 113,371.65 is: 170,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,358.20 : 702,538.92 = 113,371.65 : x
  2. Step 2: Convert to fraction form
    468,358.20/702,538.92 = 113,371.65/x
  3. Step 3: Cross multiply
    468,358.20x = 702,538.92 × 113,371.65
  4. Step 4: Simplify right side
    468,358.20x = 79,647,996,549.62
  5. Step 5: Solve for x
    x = 79,647,996,549.62/468,358.20
  6. Step 6: Final answer
    x = 170,057.87

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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.