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Finding the Fourth Proportional to 625,422.48, 938,151.96 and 225,992.46

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Solution

The fourth proportional to 625,422.48, 938,151.96 and 225,992.46 is: 338,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,422.48 : 938,151.96 = 225,992.46 : x
  2. Step 2: Convert to fraction form
    625,422.48/938,151.96 = 225,992.46/x
  3. Step 3: Cross multiply
    625,422.48x = 938,151.96 × 225,992.46
  4. Step 4: Simplify right side
    625,422.48x = 212,015,269,294.22
  5. Step 5: Solve for x
    x = 212,015,269,294.22/625,422.48
  6. Step 6: Final answer
    x = 338,995.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.