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Finding the Fourth Proportional to 444,778.38, 613,748.34 and 253,755

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Solution

The fourth proportional to 444,778.38, 613,748.34 and 253,755 is: 350,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,778.38 : 613,748.34 = 253,755 : x
  2. Step 2: Convert to fraction form
    444,778.38/613,748.34 = 253,755/x
  3. Step 3: Cross multiply
    444,778.38x = 613,748.34 × 253,755
  4. Step 4: Simplify right side
    444,778.38x = 155,741,710,016.70
  5. Step 5: Solve for x
    x = 155,741,710,016.70/444,778.38
  6. Step 6: Final answer
    x = 350,155.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.