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Finding the Fourth Proportional to 395,279.90, 592,909.09 and 110,972.81

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Solution

The fourth proportional to 395,279.90, 592,909.09 and 110,972.81 is: 166,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,279.90 : 592,909.09 = 110,972.81 : x
  2. Step 2: Convert to fraction form
    395,279.90/592,909.09 = 110,972.81/x
  3. Step 3: Cross multiply
    395,279.90x = 592,909.09 × 110,972.81
  4. Step 4: Simplify right side
    395,279.90x = 65,796,789,620.91
  5. Step 5: Solve for x
    x = 65,796,789,620.91/395,279.90
  6. Step 6: Final answer
    x = 166,456.20

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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.