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Finding the Fourth Proportional to 250,418.88, 375,642 and 63,432

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Solution

The fourth proportional to 250,418.88, 375,642 and 63,432 is: 95,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,418.88 : 375,642 = 63,432 : x
  2. Step 2: Convert to fraction form
    250,418.88/375,642 = 63,432/x
  3. Step 3: Cross multiply
    250,418.88x = 375,642 × 63,432
  4. Step 4: Simplify right side
    250,418.88x = 23,827,723,344
  5. Step 5: Solve for x
    x = 23,827,723,344/250,418.88
  6. Step 6: Final answer
    x = 95,151.47

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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.