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Finding the Fourth Proportional to 224,178.54, 336,648.78 and 149,776.80

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Solution

The fourth proportional to 224,178.54, 336,648.78 and 149,776.80 is: 224,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,178.54 : 336,648.78 = 149,776.80 : x
  2. Step 2: Convert to fraction form
    224,178.54/336,648.78 = 149,776.80/x
  3. Step 3: Cross multiply
    224,178.54x = 336,648.78 × 149,776.80
  4. Step 4: Simplify right side
    224,178.54x = 50,422,176,992.30
  5. Step 5: Solve for x
    x = 50,422,176,992.30/224,178.54
  6. Step 6: Final answer
    x = 224,919.73

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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.