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Finding the Fourth Proportional to 254,780.79, 382,169.79 and 65,240.79

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Solution

The fourth proportional to 254,780.79, 382,169.79 and 65,240.79 is: 97,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,780.79 : 382,169.79 = 65,240.79 : x
  2. Step 2: Convert to fraction form
    254,780.79/382,169.79 = 65,240.79/x
  3. Step 3: Cross multiply
    254,780.79x = 382,169.79 × 65,240.79
  4. Step 4: Simplify right side
    254,780.79x = 24,933,059,013.73
  5. Step 5: Solve for x
    x = 24,933,059,013.73/254,780.79
  6. Step 6: Final answer
    x = 97,860.83

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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.