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Finding the Fourth Proportional to 397,177.32, 548,043.63 and 235,972.74

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Solution

The fourth proportional to 397,177.32, 548,043.63 and 235,972.74 is: 325,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,177.32 : 548,043.63 = 235,972.74 : x
  2. Step 2: Convert to fraction form
    397,177.32/548,043.63 = 235,972.74/x
  3. Step 3: Cross multiply
    397,177.32x = 548,043.63 × 235,972.74
  4. Step 4: Simplify right side
    397,177.32x = 129,323,357,010.65
  5. Step 5: Solve for x
    x = 129,323,357,010.65/397,177.32
  6. Step 6: Final answer
    x = 325,606.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.