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Finding the Fourth Proportional to 347,560.67, 479,641.02 and 196,657.67

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Solution

The fourth proportional to 347,560.67, 479,641.02 and 196,657.67 is: 271,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,560.67 : 479,641.02 = 196,657.67 : x
  2. Step 2: Convert to fraction form
    347,560.67/479,641.02 = 196,657.67/x
  3. Step 3: Cross multiply
    347,560.67x = 479,641.02 × 196,657.67
  4. Step 4: Simplify right side
    347,560.67x = 94,325,085,429.62
  5. Step 5: Solve for x
    x = 94,325,085,429.62/347,560.67
  6. Step 6: Final answer
    x = 271,391.71

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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.