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Finding the Fourth Proportional to 488,728.70, 732,747.45 and 222,616.70

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Solution

The fourth proportional to 488,728.70, 732,747.45 and 222,616.70 is: 333,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,728.70 : 732,747.45 = 222,616.70 : x
  2. Step 2: Convert to fraction form
    488,728.70/732,747.45 = 222,616.70/x
  3. Step 3: Cross multiply
    488,728.70x = 732,747.45 × 222,616.70
  4. Step 4: Simplify right side
    488,728.70x = 163,121,819,252.42
  5. Step 5: Solve for x
    x = 163,121,819,252.42/488,728.70
  6. Step 6: Final answer
    x = 333,767.63

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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.