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Finding the Fourth Proportional to 386,951.81, 579,610.01 and 244,723.91

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Solution

The fourth proportional to 386,951.81, 579,610.01 and 244,723.91 is: 366,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,951.81 : 579,610.01 = 244,723.91 : x
  2. Step 2: Convert to fraction form
    386,951.81/579,610.01 = 244,723.91/x
  3. Step 3: Cross multiply
    386,951.81x = 579,610.01 × 244,723.91
  4. Step 4: Simplify right side
    386,951.81x = 141,844,425,636.10
  5. Step 5: Solve for x
    x = 141,844,425,636.10/386,951.81
  6. Step 6: Final answer
    x = 366,568.71

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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.