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Finding the Fourth Proportional to 488,910.57, 733,366.46 and 133,927.66

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Solution

The fourth proportional to 488,910.57, 733,366.46 and 133,927.66 is: 200,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,910.57 : 733,366.46 = 133,927.66 : x
  2. Step 2: Convert to fraction form
    488,910.57/733,366.46 = 133,927.66/x
  3. Step 3: Cross multiply
    488,910.57x = 733,366.46 × 133,927.66
  4. Step 4: Simplify right side
    488,910.57x = 98,218,053,910.28
  5. Step 5: Solve for x
    x = 98,218,053,910.28/488,910.57
  6. Step 6: Final answer
    x = 200,891.66

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1.5x scale

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.