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Finding the Fourth Proportional to 253,604.80, 350,079.60 and 162,965.80

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Solution

The fourth proportional to 253,604.80, 350,079.60 and 162,965.80 is: 224,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,604.80 : 350,079.60 = 162,965.80 : x
  2. Step 2: Convert to fraction form
    253,604.80/350,079.60 = 162,965.80/x
  3. Step 3: Cross multiply
    253,604.80x = 350,079.60 × 162,965.80
  4. Step 4: Simplify right side
    253,604.80x = 57,051,002,077.68
  5. Step 5: Solve for x
    x = 57,051,002,077.68/253,604.80
  6. Step 6: Final answer
    x = 224,960.26

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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.