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Finding the Fourth Proportional to 625,423.48, 938,153.46 and 225,993.46

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Solution

The fourth proportional to 625,423.48, 938,153.46 and 225,993.46 is: 338,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,423.48 : 938,153.46 = 225,993.46 : x
  2. Step 2: Convert to fraction form
    625,423.48/938,153.46 = 225,993.46/x
  3. Step 3: Cross multiply
    625,423.48x = 938,153.46 × 225,993.46
  4. Step 4: Simplify right side
    625,423.48x = 212,016,546,436.37
  5. Step 5: Solve for x
    x = 212,016,546,436.37/625,423.48
  6. Step 6: Final answer
    x = 338,996.78

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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.