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Finding the Fourth Proportional to 635,367.52, 876,803.22 and 363,439.95

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Solution

The fourth proportional to 635,367.52, 876,803.22 and 363,439.95 is: 501,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,367.52 : 876,803.22 = 363,439.95 : x
  2. Step 2: Convert to fraction form
    635,367.52/876,803.22 = 363,439.95/x
  3. Step 3: Cross multiply
    635,367.52x = 876,803.22 × 363,439.95
  4. Step 4: Simplify right side
    635,367.52x = 318,665,318,436.64
  5. Step 5: Solve for x
    x = 318,665,318,436.64/635,367.52
  6. Step 6: Final answer
    x = 501,544.87

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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.