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Finding the Fourth Proportional to 332,259.98, 458,359.29 and 217,488.11

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Solution

The fourth proportional to 332,259.98, 458,359.29 and 217,488.11 is: 300,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,259.98 : 458,359.29 = 217,488.11 : x
  2. Step 2: Convert to fraction form
    332,259.98/458,359.29 = 217,488.11/x
  3. Step 3: Cross multiply
    332,259.98x = 458,359.29 × 217,488.11
  4. Step 4: Simplify right side
    332,259.98x = 99,687,693,391.25
  5. Step 5: Solve for x
    x = 99,687,693,391.25/332,259.98
  6. Step 6: Final answer
    x = 300,029.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.