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Finding the Fourth Proportional to 576,713.88, 863,367.39 and 425,952.90

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Solution

The fourth proportional to 576,713.88, 863,367.39 and 425,952.90 is: 637,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,713.88 : 863,367.39 = 425,952.90 : x
  2. Step 2: Convert to fraction form
    576,713.88/863,367.39 = 425,952.90/x
  3. Step 3: Cross multiply
    576,713.88x = 863,367.39 × 425,952.90
  4. Step 4: Simplify right side
    576,713.88x = 367,753,843,535.93
  5. Step 5: Solve for x
    x = 367,753,843,535.93/576,713.88
  6. Step 6: Final answer
    x = 637,671.22

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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.