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Finding the Fourth Proportional to 517,049.11, 775,155.30 and 232,531.30

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Solution

The fourth proportional to 517,049.11, 775,155.30 and 232,531.30 is: 348,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,049.11 : 775,155.30 = 232,531.30 : x
  2. Step 2: Convert to fraction form
    517,049.11/775,155.30 = 232,531.30/x
  3. Step 3: Cross multiply
    517,049.11x = 775,155.30 × 232,531.30
  4. Step 4: Simplify right side
    517,049.11x = 180,247,869,610.89
  5. Step 5: Solve for x
    x = 180,247,869,610.89/517,049.11
  6. Step 6: Final answer
    x = 348,608.80

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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.