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Finding the Fourth Proportional to 625,359.40, 935,796.81 and 541,408.30

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Solution

The fourth proportional to 625,359.40, 935,796.81 and 541,408.30 is: 810,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,359.40 : 935,796.81 = 541,408.30 : x
  2. Step 2: Convert to fraction form
    625,359.40/935,796.81 = 541,408.30/x
  3. Step 3: Cross multiply
    625,359.40x = 935,796.81 × 541,408.30
  4. Step 4: Simplify right side
    625,359.40x = 506,648,160,047.52
  5. Step 5: Solve for x
    x = 506,648,160,047.52/625,359.40
  6. Step 6: Final answer
    x = 810,171.18

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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.