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Finding the Fourth Proportional to 652,634.52, 978,998.96 and 273,173.61

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Solution

The fourth proportional to 652,634.52, 978,998.96 and 273,173.61 is: 409,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,634.52 : 978,998.96 = 273,173.61 : x
  2. Step 2: Convert to fraction form
    652,634.52/978,998.96 = 273,173.61/x
  3. Step 3: Cross multiply
    652,634.52x = 978,998.96 × 273,173.61
  4. Step 4: Simplify right side
    652,634.52x = 267,436,678,723.58
  5. Step 5: Solve for x
    x = 267,436,678,723.58/652,634.52
  6. Step 6: Final answer
    x = 409,780.16

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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.