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Finding the Fourth Proportional to 444,781.38, 613,752.48 and 253,758

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Solution

The fourth proportional to 444,781.38, 613,752.48 and 253,758 is: 350,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,781.38 : 613,752.48 = 253,758 : x
  2. Step 2: Convert to fraction form
    444,781.38/613,752.48 = 253,758/x
  3. Step 3: Cross multiply
    444,781.38x = 613,752.48 × 253,758
  4. Step 4: Simplify right side
    444,781.38x = 155,744,601,819.84
  5. Step 5: Solve for x
    x = 155,744,601,819.84/444,781.38
  6. Step 6: Final answer
    x = 350,159.90

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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.