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Finding the Fourth Proportional to 396,012.48, 593,880.48 and 159,293.76

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Solution

The fourth proportional to 396,012.48, 593,880.48 and 159,293.76 is: 238,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,012.48 : 593,880.48 = 159,293.76 : x
  2. Step 2: Convert to fraction form
    396,012.48/593,880.48 = 159,293.76/x
  3. Step 3: Cross multiply
    396,012.48x = 593,880.48 × 159,293.76
  4. Step 4: Simplify right side
    396,012.48x = 94,601,454,649.80
  5. Step 5: Solve for x
    x = 94,601,454,649.80/396,012.48
  6. Step 6: Final answer
    x = 238,885.03

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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.