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Finding the Fourth Proportional to 397,275.01, 548,227.97 and 225,208.93

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Solution

The fourth proportional to 397,275.01, 548,227.97 and 225,208.93 is: 310,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,275.01 : 548,227.97 = 225,208.93 : x
  2. Step 2: Convert to fraction form
    397,275.01/548,227.97 = 225,208.93/x
  3. Step 3: Cross multiply
    397,275.01x = 548,227.97 × 225,208.93
  4. Step 4: Simplify right side
    397,275.01x = 123,465,834,519.77
  5. Step 5: Solve for x
    x = 123,465,834,519.77/397,275.01
  6. Step 6: Final answer
    x = 310,781.78

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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.