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Finding the Fourth Proportional to 488,388.60, 732,546.45 and 204,005.70

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Solution

The fourth proportional to 488,388.60, 732,546.45 and 204,005.70 is: 305,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,388.60 : 732,546.45 = 204,005.70 : x
  2. Step 2: Convert to fraction form
    488,388.60/732,546.45 = 204,005.70/x
  3. Step 3: Cross multiply
    488,388.60x = 732,546.45 × 204,005.70
  4. Step 4: Simplify right side
    488,388.60x = 149,443,651,314.77
  5. Step 5: Solve for x
    x = 149,443,651,314.77/488,388.60
  6. Step 6: Final answer
    x = 305,993.32

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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.