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Finding the Fourth Proportional to 396,144.76, 594,270.08 and 115,657.96

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Solution

The fourth proportional to 396,144.76, 594,270.08 and 115,657.96 is: 173,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,144.76 : 594,270.08 = 115,657.96 : x
  2. Step 2: Convert to fraction form
    396,144.76/594,270.08 = 115,657.96/x
  3. Step 3: Cross multiply
    396,144.76x = 594,270.08 × 115,657.96
  4. Step 4: Simplify right side
    396,144.76x = 68,732,065,141.84
  5. Step 5: Solve for x
    x = 68,732,065,141.84/396,144.76
  6. Step 6: Final answer
    x = 173,502.40

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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.