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Finding the Fourth Proportional to 444,660, 613,564.68 and 270,139.56

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Solution

The fourth proportional to 444,660, 613,564.68 and 270,139.56 is: 372,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,660 : 613,564.68 = 270,139.56 : x
  2. Step 2: Convert to fraction form
    444,660/613,564.68 = 270,139.56/x
  3. Step 3: Cross multiply
    444,660x = 613,564.68 × 270,139.56
  4. Step 4: Simplify right side
    444,660x = 165,748,092,686.74
  5. Step 5: Solve for x
    x = 165,748,092,686.74/444,660
  6. Step 6: Final answer
    x = 372,752.42

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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.