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Finding the Fourth Proportional to 416,562.20, 574,855.70 and 225,575.54

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Solution

The fourth proportional to 416,562.20, 574,855.70 and 225,575.54 is: 311,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,562.20 : 574,855.70 = 225,575.54 : x
  2. Step 2: Convert to fraction form
    416,562.20/574,855.70 = 225,575.54/x
  3. Step 3: Cross multiply
    416,562.20x = 574,855.70 × 225,575.54
  4. Step 4: Simplify right side
    416,562.20x = 129,673,384,949.58
  5. Step 5: Solve for x
    x = 129,673,384,949.58/416,562.20
  6. Step 6: Final answer
    x = 311,294.17

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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.