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Finding the Fourth Proportional to 377,614.80, 566,422.20 and 217,963.80

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Solution

The fourth proportional to 377,614.80, 566,422.20 and 217,963.80 is: 326,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,614.80 : 566,422.20 = 217,963.80 : x
  2. Step 2: Convert to fraction form
    377,614.80/566,422.20 = 217,963.80/x
  3. Step 3: Cross multiply
    377,614.80x = 566,422.20 × 217,963.80
  4. Step 4: Simplify right side
    377,614.80x = 123,459,535,116.36
  5. Step 5: Solve for x
    x = 123,459,535,116.36/377,614.80
  6. Step 6: Final answer
    x = 326,945.70

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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.