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Finding the Fourth Proportional to 488,218.65, 732,363.06 and 168,365.92

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Solution

The fourth proportional to 488,218.65, 732,363.06 and 168,365.92 is: 252,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,218.65 : 732,363.06 = 168,365.92 : x
  2. Step 2: Convert to fraction form
    488,218.65/732,363.06 = 168,365.92/x
  3. Step 3: Cross multiply
    488,218.65x = 732,363.06 × 168,365.92
  4. Step 4: Simplify right side
    488,218.65x = 123,304,979,171.38
  5. Step 5: Solve for x
    x = 123,304,979,171.38/488,218.65
  6. Step 6: Final answer
    x = 252,560.98

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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.