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Finding the Fourth Proportional to 331,943.88, 497,915.37 and 132,404.39

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Solution

The fourth proportional to 331,943.88, 497,915.37 and 132,404.39 is: 198,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,943.88 : 497,915.37 = 132,404.39 : x
  2. Step 2: Convert to fraction form
    331,943.88/497,915.37 = 132,404.39/x
  3. Step 3: Cross multiply
    331,943.88x = 497,915.37 × 132,404.39
  4. Step 4: Simplify right side
    331,943.88x = 65,926,180,214.08
  5. Step 5: Solve for x
    x = 65,926,180,214.08/331,943.88
  6. Step 6: Final answer
    x = 198,606.40

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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.