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Finding the Fourth Proportional to 517,724.56, 776,444.32 and 327,900.24

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Solution

The fourth proportional to 517,724.56, 776,444.32 and 327,900.24 is: 491,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,724.56 : 776,444.32 = 327,900.24 : x
  2. Step 2: Convert to fraction form
    517,724.56/776,444.32 = 327,900.24/x
  3. Step 3: Cross multiply
    517,724.56x = 776,444.32 × 327,900.24
  4. Step 4: Simplify right side
    517,724.56x = 254,596,278,874.64
  5. Step 5: Solve for x
    x = 254,596,278,874.64/517,724.56
  6. Step 6: Final answer
    x = 491,760.10

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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.