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Finding the Fourth Proportional to 427,712.85, 590,375.27 and 246,545.87

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Solution

The fourth proportional to 427,712.85, 590,375.27 and 246,545.87 is: 340,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,712.85 : 590,375.27 = 246,545.87 : x
  2. Step 2: Convert to fraction form
    427,712.85/590,375.27 = 246,545.87/x
  3. Step 3: Cross multiply
    427,712.85x = 590,375.27 × 246,545.87
  4. Step 4: Simplify right side
    427,712.85x = 145,554,583,335.91
  5. Step 5: Solve for x
    x = 145,554,583,335.91/427,712.85
  6. Step 6: Final answer
    x = 340,309.12

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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.