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Finding the Fourth Proportional to 418,117.44, 577,008.24 and 227,134.56

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Solution

The fourth proportional to 418,117.44, 577,008.24 and 227,134.56 is: 313,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,117.44 : 577,008.24 = 227,134.56 : x
  2. Step 2: Convert to fraction form
    418,117.44/577,008.24 = 227,134.56/x
  3. Step 3: Cross multiply
    418,117.44x = 577,008.24 × 227,134.56
  4. Step 4: Simplify right side
    418,117.44x = 131,058,512,708.77
  5. Step 5: Solve for x
    x = 131,058,512,708.77/418,117.44
  6. Step 6: Final answer
    x = 313,449.05

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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.