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Finding the Fourth Proportional to 416,608.80, 574,913.34 and 225,620.52

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Solution

The fourth proportional to 416,608.80, 574,913.34 and 225,620.52 is: 311,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,608.80 : 574,913.34 = 225,620.52 : x
  2. Step 2: Convert to fraction form
    416,608.80/574,913.34 = 225,620.52/x
  3. Step 3: Cross multiply
    416,608.80x = 574,913.34 × 225,620.52
  4. Step 4: Simplify right side
    416,608.80x = 129,712,246,725.74
  5. Step 5: Solve for x
    x = 129,712,246,725.74/416,608.80
  6. Step 6: Final answer
    x = 311,352.63

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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.