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Finding the Fourth Proportional to 418,262.97, 577,200.90 and 236,974.56

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Solution

The fourth proportional to 418,262.97, 577,200.90 and 236,974.56 is: 327,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,262.97 : 577,200.90 = 236,974.56 : x
  2. Step 2: Convert to fraction form
    418,262.97/577,200.90 = 236,974.56/x
  3. Step 3: Cross multiply
    418,262.97x = 577,200.90 × 236,974.56
  4. Step 4: Simplify right side
    418,262.97x = 136,781,929,309.10
  5. Step 5: Solve for x
    x = 136,781,929,309.10/418,262.97
  6. Step 6: Final answer
    x = 327,023.76

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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.