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Finding the Fourth Proportional to 440,482.17, 660,847.29 and 170,691.81

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Solution

The fourth proportional to 440,482.17, 660,847.29 and 170,691.81 is: 256,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,482.17 : 660,847.29 = 170,691.81 : x
  2. Step 2: Convert to fraction form
    440,482.17/660,847.29 = 170,691.81/x
  3. Step 3: Cross multiply
    440,482.17x = 660,847.29 × 170,691.81
  4. Step 4: Simplify right side
    440,482.17x = 112,801,217,905.57
  5. Step 5: Solve for x
    x = 112,801,217,905.57/440,482.17
  6. Step 6: Final answer
    x = 256,085.78

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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.