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Finding the Fourth Proportional to 396,059.76, 593,229.14 and 243,792.72

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Solution

The fourth proportional to 396,059.76, 593,229.14 and 243,792.72 is: 365,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,059.76 : 593,229.14 = 243,792.72 : x
  2. Step 2: Convert to fraction form
    396,059.76/593,229.14 = 243,792.72/x
  3. Step 3: Cross multiply
    396,059.76x = 593,229.14 × 243,792.72
  4. Step 4: Simplify right side
    396,059.76x = 144,624,945,623.86
  5. Step 5: Solve for x
    x = 144,624,945,623.86/396,059.76
  6. Step 6: Final answer
    x = 365,159.40

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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.