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Finding the Fourth Proportional to 416,363.56, 574,581.78 and 225,378.52

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Solution

The fourth proportional to 416,363.56, 574,581.78 and 225,378.52 is: 311,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,363.56 : 574,581.78 = 225,378.52 : x
  2. Step 2: Convert to fraction form
    416,363.56/574,581.78 = 225,378.52/x
  3. Step 3: Cross multiply
    416,363.56x = 574,581.78 × 225,378.52
  4. Step 4: Simplify right side
    416,363.56x = 129,498,391,195.37
  5. Step 5: Solve for x
    x = 129,498,391,195.37/416,363.56
  6. Step 6: Final answer
    x = 311,022.39

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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.