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Finding the Fourth Proportional to 416,650.31, 574,974.74 and 235,420.91

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Solution

The fourth proportional to 416,650.31, 574,974.74 and 235,420.91 is: 324,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,650.31 : 574,974.74 = 235,420.91 : x
  2. Step 2: Convert to fraction form
    416,650.31/574,974.74 = 235,420.91/x
  3. Step 3: Cross multiply
    416,650.31x = 574,974.74 × 235,420.91
  4. Step 4: Simplify right side
    416,650.31x = 135,361,074,231.49
  5. Step 5: Solve for x
    x = 135,361,074,231.49/416,650.31
  6. Step 6: Final answer
    x = 324,879.34

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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.