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Finding the Fourth Proportional to 228,524.49, 315,471.51 and 152,170.65

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Solution

The fourth proportional to 228,524.49, 315,471.51 and 152,170.65 is: 210,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,524.49 : 315,471.51 = 152,170.65 : x
  2. Step 2: Convert to fraction form
    228,524.49/315,471.51 = 152,170.65/x
  3. Step 3: Cross multiply
    228,524.49x = 315,471.51 × 152,170.65
  4. Step 4: Simplify right side
    228,524.49x = 48,005,504,733.18
  5. Step 5: Solve for x
    x = 48,005,504,733.18/228,524.49
  6. Step 6: Final answer
    x = 210,067.22

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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.