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Finding the Fourth Proportional to 402,882.40, 603,805.20 and 244,943.20

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Solution

The fourth proportional to 402,882.40, 603,805.20 and 244,943.20 is: 367,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,882.40 : 603,805.20 = 244,943.20 : x
  2. Step 2: Convert to fraction form
    402,882.40/603,805.20 = 244,943.20/x
  3. Step 3: Cross multiply
    402,882.40x = 603,805.20 × 244,943.20
  4. Step 4: Simplify right side
    402,882.40x = 147,897,977,864.64
  5. Step 5: Solve for x
    x = 147,897,977,864.64/402,882.40
  6. Step 6: Final answer
    x = 367,099.62

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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.