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Finding the Fourth Proportional to 239,770.80, 336,301.20 and 239,770.80

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Solution

The fourth proportional to 239,770.80, 336,301.20 and 239,770.80 is: 336,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,770.80 : 336,301.20 = 239,770.80 : x
  2. Step 2: Convert to fraction form
    239,770.80/336,301.20 = 239,770.80/x
  3. Step 3: Cross multiply
    239,770.80x = 336,301.20 × 239,770.80
  4. Step 4: Simplify right side
    239,770.80x = 80,635,207,764.96
  5. Step 5: Solve for x
    x = 80,635,207,764.96/239,770.80
  6. Step 6: Final answer
    x = 336,301.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.