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Finding the Fourth Proportional to 474,978.96, 712,527.17 and 155,163.02

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Solution

The fourth proportional to 474,978.96, 712,527.17 and 155,163.02 is: 232,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,978.96 : 712,527.17 = 155,163.02 : x
  2. Step 2: Convert to fraction form
    474,978.96/712,527.17 = 155,163.02/x
  3. Step 3: Cross multiply
    474,978.96x = 712,527.17 × 155,163.02
  4. Step 4: Simplify right side
    474,978.96x = 110,557,863,190.80
  5. Step 5: Solve for x
    x = 110,557,863,190.80/474,978.96
  6. Step 6: Final answer
    x = 232,763.71

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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.