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Finding the Fourth Proportional to 665,382.96, 998,469.72 and 244,954.08

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Solution

The fourth proportional to 665,382.96, 998,469.72 and 244,954.08 is: 367,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,382.96 : 998,469.72 = 244,954.08 : x
  2. Step 2: Convert to fraction form
    665,382.96/998,469.72 = 244,954.08/x
  3. Step 3: Cross multiply
    665,382.96x = 998,469.72 × 244,954.08
  4. Step 4: Simplify right side
    665,382.96x = 244,579,231,670.46
  5. Step 5: Solve for x
    x = 244,579,231,670.46/665,382.96
  6. Step 6: Final answer
    x = 367,576.64

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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.