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Finding the Fourth Proportional to 723,452.24, 998,374.74 and 396,796.52

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Solution

The fourth proportional to 723,452.24, 998,374.74 and 396,796.52 is: 547,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,452.24 : 998,374.74 = 396,796.52 : x
  2. Step 2: Convert to fraction form
    723,452.24/998,374.74 = 396,796.52/x
  3. Step 3: Cross multiply
    723,452.24x = 998,374.74 × 396,796.52
  4. Step 4: Simplify right side
    723,452.24x = 396,151,622,487.91
  5. Step 5: Solve for x
    x = 396,151,622,487.91/723,452.24
  6. Step 6: Final answer
    x = 547,585.04

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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.