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Finding the Fourth Proportional to 418,523.96, 577,574.38 and 227,550.52

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Solution

The fourth proportional to 418,523.96, 577,574.38 and 227,550.52 is: 314,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,523.96 : 577,574.38 = 227,550.52 : x
  2. Step 2: Convert to fraction form
    418,523.96/577,574.38 = 227,550.52/x
  3. Step 3: Cross multiply
    418,523.96x = 577,574.38 × 227,550.52
  4. Step 4: Simplify right side
    418,523.96x = 131,427,350,507.68
  5. Step 5: Solve for x
    x = 131,427,350,507.68/418,523.96
  6. Step 6: Final answer
    x = 314,025.87

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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.