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Finding the Fourth Proportional to 336,469.87, 464,211.16 and 215,677.76

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Solution

The fourth proportional to 336,469.87, 464,211.16 and 215,677.76 is: 297,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,469.87 : 464,211.16 = 215,677.76 : x
  2. Step 2: Convert to fraction form
    336,469.87/464,211.16 = 215,677.76/x
  3. Step 3: Cross multiply
    336,469.87x = 464,211.16 × 215,677.76
  4. Step 4: Simplify right side
    336,469.87x = 100,120,023,155.80
  5. Step 5: Solve for x
    x = 100,120,023,155.80/336,469.87
  6. Step 6: Final answer
    x = 297,560.14

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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.