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Finding the Fourth Proportional to 400,098.40, 599,456.40 and 337,890.40

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Solution

The fourth proportional to 400,098.40, 599,456.40 and 337,890.40 is: 506,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,098.40 : 599,456.40 = 337,890.40 : x
  2. Step 2: Convert to fraction form
    400,098.40/599,456.40 = 337,890.40/x
  3. Step 3: Cross multiply
    400,098.40x = 599,456.40 × 337,890.40
  4. Step 4: Simplify right side
    400,098.40x = 202,550,562,778.56
  5. Step 5: Solve for x
    x = 202,550,562,778.56/400,098.40
  6. Step 6: Final answer
    x = 506,251.87

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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.