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Finding the Fourth Proportional to 394,886.46, 591,167.15 and 244,643.66

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Solution

The fourth proportional to 394,886.46, 591,167.15 and 244,643.66 is: 366,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,886.46 : 591,167.15 = 244,643.66 : x
  2. Step 2: Convert to fraction form
    394,886.46/591,167.15 = 244,643.66/x
  3. Step 3: Cross multiply
    394,886.46x = 591,167.15 × 244,643.66
  4. Step 4: Simplify right side
    394,886.46x = 144,625,295,247.77
  5. Step 5: Solve for x
    x = 144,625,295,247.77/394,886.46
  6. Step 6: Final answer
    x = 366,245.26

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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.