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Finding the Fourth Proportional to 360,873.72, 498,052.26 and 217,711.08

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Solution

The fourth proportional to 360,873.72, 498,052.26 and 217,711.08 is: 300,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,873.72 : 498,052.26 = 217,711.08 : x
  2. Step 2: Convert to fraction form
    360,873.72/498,052.26 = 217,711.08/x
  3. Step 3: Cross multiply
    360,873.72x = 498,052.26 × 217,711.08
  4. Step 4: Simplify right side
    360,873.72x = 108,431,495,421.04
  5. Step 5: Solve for x
    x = 108,431,495,421.04/360,873.72
  6. Step 6: Final answer
    x = 300,469.36

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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.