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Finding the Fourth Proportional to 244,345.64, 366,428.40 and 84,380.88

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Solution

The fourth proportional to 244,345.64, 366,428.40 and 84,380.88 is: 126,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,345.64 : 366,428.40 = 84,380.88 : x
  2. Step 2: Convert to fraction form
    244,345.64/366,428.40 = 84,380.88/x
  3. Step 3: Cross multiply
    244,345.64x = 366,428.40 × 84,380.88
  4. Step 4: Simplify right side
    244,345.64x = 30,919,550,848.99
  5. Step 5: Solve for x
    x = 30,919,550,848.99/244,345.64
  6. Step 6: Final answer
    x = 126,540.22

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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.