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Finding the Fourth Proportional to 394,140.69, 591,403.64 and 244,340.91

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Solution

The fourth proportional to 394,140.69, 591,403.64 and 244,340.91 is: 366,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,140.69 : 591,403.64 = 244,340.91 : x
  2. Step 2: Convert to fraction form
    394,140.69/591,403.64 = 244,340.91/x
  3. Step 3: Cross multiply
    394,140.69x = 591,403.64 × 244,340.91
  4. Step 4: Simplify right side
    394,140.69x = 144,504,102,353.21
  5. Step 5: Solve for x
    x = 144,504,102,353.21/394,140.69
  6. Step 6: Final answer
    x = 366,630.76

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1.5x scale

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.