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Finding the Fourth Proportional to 440,855.04, 661,183.20 and 125,304.96

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Solution

The fourth proportional to 440,855.04, 661,183.20 and 125,304.96 is: 187,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,855.04 : 661,183.20 = 125,304.96 : x
  2. Step 2: Convert to fraction form
    440,855.04/661,183.20 = 125,304.96/x
  3. Step 3: Cross multiply
    440,855.04x = 661,183.20 × 125,304.96
  4. Step 4: Simplify right side
    440,855.04x = 82,849,534,428.67
  5. Step 5: Solve for x
    x = 82,849,534,428.67/440,855.04
  6. Step 6: Final answer
    x = 187,929.20

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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.