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Finding the Fourth Proportional to 521,733.60, 782,497.80 and 166,651.92

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Solution

The fourth proportional to 521,733.60, 782,497.80 and 166,651.92 is: 249,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,733.60 : 782,497.80 = 166,651.92 : x
  2. Step 2: Convert to fraction form
    521,733.60/782,497.80 = 166,651.92/x
  3. Step 3: Cross multiply
    521,733.60x = 782,497.80 × 166,651.92
  4. Step 4: Simplify right side
    521,733.60x = 130,404,760,765.78
  5. Step 5: Solve for x
    x = 130,404,760,765.78/521,733.60
  6. Step 6: Final answer
    x = 249,945.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.