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Finding the Fourth Proportional to 295,320.28, 407,324.42 and 222,726.20

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Solution

The fourth proportional to 295,320.28, 407,324.42 and 222,726.20 is: 307,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,320.28 : 407,324.42 = 222,726.20 : x
  2. Step 2: Convert to fraction form
    295,320.28/407,324.42 = 222,726.20/x
  3. Step 3: Cross multiply
    295,320.28x = 407,324.42 × 222,726.20
  4. Step 4: Simplify right side
    295,320.28x = 90,721,820,233.80
  5. Step 5: Solve for x
    x = 90,721,820,233.80/295,320.28
  6. Step 6: Final answer
    x = 307,198.07

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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.