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Finding the Fourth Proportional to 994,437.20, 1,491,871.80 and 363,350

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Solution

The fourth proportional to 994,437.20, 1,491,871.80 and 363,350 is: 545,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,437.20 : 1,491,871.80 = 363,350 : x
  2. Step 2: Convert to fraction form
    994,437.20/1,491,871.80 = 363,350/x
  3. Step 3: Cross multiply
    994,437.20x = 1,491,871.80 × 363,350
  4. Step 4: Simplify right side
    994,437.20x = 542,071,618,530
  5. Step 5: Solve for x
    x = 542,071,618,530/994,437.20
  6. Step 6: Final answer
    x = 545,103.92

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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.