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Finding the Fourth Proportional to 224,624.70, 336,937.05 and 206,253.90

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Solution

The fourth proportional to 224,624.70, 336,937.05 and 206,253.90 is: 309,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,624.70 : 336,937.05 = 206,253.90 : x
  2. Step 2: Convert to fraction form
    224,624.70/336,937.05 = 206,253.90/x
  3. Step 3: Cross multiply
    224,624.70x = 336,937.05 × 206,253.90
  4. Step 4: Simplify right side
    224,624.70x = 69,494,580,617.00
  5. Step 5: Solve for x
    x = 69,494,580,617.00/224,624.70
  6. Step 6: Final answer
    x = 309,380.85

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1.5x scale

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.