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Finding the Fourth Proportional to 844,679.67, 1,165,659.84 and 462,707.97

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Solution

The fourth proportional to 844,679.67, 1,165,659.84 and 462,707.97 is: 638,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,679.67 : 1,165,659.84 = 462,707.97 : x
  2. Step 2: Convert to fraction form
    844,679.67/1,165,659.84 = 462,707.97/x
  3. Step 3: Cross multiply
    844,679.67x = 1,165,659.84 × 462,707.97
  4. Step 4: Simplify right side
    844,679.67x = 539,360,098,276.93
  5. Step 5: Solve for x
    x = 539,360,098,276.93/844,679.67
  6. Step 6: Final answer
    x = 638,538.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.