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Finding the Fourth Proportional to 416,600.94, 574,908.42 and 225,613.74

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Solution

The fourth proportional to 416,600.94, 574,908.42 and 225,613.74 is: 311,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,600.94 : 574,908.42 = 225,613.74 : x
  2. Step 2: Convert to fraction form
    416,600.94/574,908.42 = 225,613.74/x
  3. Step 3: Cross multiply
    416,600.94x = 574,908.42 × 225,613.74
  4. Step 4: Simplify right side
    416,600.94x = 129,707,238,793.69
  5. Step 5: Solve for x
    x = 129,707,238,793.69/416,600.94
  6. Step 6: Final answer
    x = 311,346.49

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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.