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Finding the Fourth Proportional to 381,644.84, 572,402.46 and 101,190.44

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Solution

The fourth proportional to 381,644.84, 572,402.46 and 101,190.44 is: 151,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,644.84 : 572,402.46 = 101,190.44 : x
  2. Step 2: Convert to fraction form
    381,644.84/572,402.46 = 101,190.44/x
  3. Step 3: Cross multiply
    381,644.84x = 572,402.46 × 101,190.44
  4. Step 4: Simplify right side
    381,644.84x = 57,921,656,784.48
  5. Step 5: Solve for x
    x = 57,921,656,784.48/381,644.84
  6. Step 6: Final answer
    x = 151,768.48

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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.