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Finding the Fourth Proportional to 252,999.75, 349,105.85 and 162,478.31

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Solution

The fourth proportional to 252,999.75, 349,105.85 and 162,478.31 is: 224,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,999.75 : 349,105.85 = 162,478.31 : x
  2. Step 2: Convert to fraction form
    252,999.75/349,105.85 = 162,478.31/x
  3. Step 3: Cross multiply
    252,999.75x = 349,105.85 × 162,478.31
  4. Step 4: Simplify right side
    252,999.75x = 56,722,126,570.49
  5. Step 5: Solve for x
    x = 56,722,126,570.49/252,999.75
  6. Step 6: Final answer
    x = 224,198.35

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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.