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Finding the Fourth Proportional to 416,616.58, 574,930.34 and 225,630.73

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Solution

The fourth proportional to 416,616.58, 574,930.34 and 225,630.73 is: 311,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,616.58 : 574,930.34 = 225,630.73 : x
  2. Step 2: Convert to fraction form
    416,616.58/574,930.34 = 225,630.73/x
  3. Step 3: Cross multiply
    416,616.58x = 574,930.34 × 225,630.73
  4. Step 4: Simplify right side
    416,616.58x = 129,721,952,313.35
  5. Step 5: Solve for x
    x = 129,721,952,313.35/416,616.58
  6. Step 6: Final answer
    x = 311,370.11

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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.