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Finding the Fourth Proportional to 625,297.56, 935,704.20 and 541,346.52

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Solution

The fourth proportional to 625,297.56, 935,704.20 and 541,346.52 is: 810,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,297.56 : 935,704.20 = 541,346.52 : x
  2. Step 2: Convert to fraction form
    625,297.56/935,704.20 = 541,346.52/x
  3. Step 3: Cross multiply
    625,297.56x = 935,704.20 × 541,346.52
  4. Step 4: Simplify right side
    625,297.56x = 506,540,212,419.38
  5. Step 5: Solve for x
    x = 506,540,212,419.38/625,297.56
  6. Step 6: Final answer
    x = 810,078.66

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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.