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Finding the Fourth Proportional to 396,045.53, 593,831.06 and 126,057.04

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Solution

The fourth proportional to 396,045.53, 593,831.06 and 126,057.04 is: 189,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,045.53 : 593,831.06 = 126,057.04 : x
  2. Step 2: Convert to fraction form
    396,045.53/593,831.06 = 126,057.04/x
  3. Step 3: Cross multiply
    396,045.53x = 593,831.06 × 126,057.04
  4. Step 4: Simplify right side
    396,045.53x = 74,856,587,027.28
  5. Step 5: Solve for x
    x = 74,856,587,027.28/396,045.53
  6. Step 6: Final answer
    x = 189,010.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.