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Finding the Fourth Proportional to 488,458.40, 732,906.30 and 222,081.80

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Solution

The fourth proportional to 488,458.40, 732,906.30 and 222,081.80 is: 333,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,458.40 : 732,906.30 = 222,081.80 : x
  2. Step 2: Convert to fraction form
    488,458.40/732,906.30 = 222,081.80/x
  3. Step 3: Cross multiply
    488,458.40x = 732,906.30 × 222,081.80
  4. Step 4: Simplify right side
    488,458.40x = 162,765,150,335.34
  5. Step 5: Solve for x
    x = 162,765,150,335.34/488,458.40
  6. Step 6: Final answer
    x = 333,222.13

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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.