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Finding the Fourth Proportional to 488,837.32, 733,256.58 and 133,854.41

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Solution

The fourth proportional to 488,837.32, 733,256.58 and 133,854.41 is: 200,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,837.32 : 733,256.58 = 133,854.41 : x
  2. Step 2: Convert to fraction form
    488,837.32/733,256.58 = 133,854.41/x
  3. Step 3: Cross multiply
    488,837.32x = 733,256.58 × 133,854.41
  4. Step 4: Simplify right side
    488,837.32x = 98,149,626,894.52
  5. Step 5: Solve for x
    x = 98,149,626,894.52/488,837.32
  6. Step 6: Final answer
    x = 200,781.78

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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.