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Finding the Fourth Proportional to 381,786.84, 572,679.54 and 101,282.04

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Solution

The fourth proportional to 381,786.84, 572,679.54 and 101,282.04 is: 151,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,786.84 : 572,679.54 = 101,282.04 : x
  2. Step 2: Convert to fraction form
    381,786.84/572,679.54 = 101,282.04/x
  3. Step 3: Cross multiply
    381,786.84x = 572,679.54 × 101,282.04
  4. Step 4: Simplify right side
    381,786.84x = 58,002,152,077.46
  5. Step 5: Solve for x
    x = 58,002,152,077.46/381,786.84
  6. Step 6: Final answer
    x = 151,922.87

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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.