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Finding the Fourth Proportional to 463,591.61, 639,683.33 and 270,031.17

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Solution

The fourth proportional to 463,591.61, 639,683.33 and 270,031.17 is: 372,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,591.61 : 639,683.33 = 270,031.17 : x
  2. Step 2: Convert to fraction form
    463,591.61/639,683.33 = 270,031.17/x
  3. Step 3: Cross multiply
    463,591.61x = 639,683.33 × 270,031.17
  4. Step 4: Simplify right side
    463,591.61x = 172,734,436,679.24
  5. Step 5: Solve for x
    x = 172,734,436,679.24/463,591.61
  6. Step 6: Final answer
    x = 372,600.44

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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.