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Finding the Fourth Proportional to 442,060.60, 663,350.10 and 161,606.20

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Solution

The fourth proportional to 442,060.60, 663,350.10 and 161,606.20 is: 242,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,060.60 : 663,350.10 = 161,606.20 : x
  2. Step 2: Convert to fraction form
    442,060.60/663,350.10 = 161,606.20/x
  3. Step 3: Cross multiply
    442,060.60x = 663,350.10 × 161,606.20
  4. Step 4: Simplify right side
    442,060.60x = 107,201,488,930.62
  5. Step 5: Solve for x
    x = 107,201,488,930.62/442,060.60
  6. Step 6: Final answer
    x = 242,504.06

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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.