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Finding the Fourth Proportional to 619,150.89, 928,727.35 and 169,877.91

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Solution

The fourth proportional to 619,150.89, 928,727.35 and 169,877.91 is: 254,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,150.89 : 928,727.35 = 169,877.91 : x
  2. Step 2: Convert to fraction form
    619,150.89/928,727.35 = 169,877.91/x
  3. Step 3: Cross multiply
    619,150.89x = 928,727.35 × 169,877.91
  4. Step 4: Simplify right side
    619,150.89x = 157,770,261,177.84
  5. Step 5: Solve for x
    x = 157,770,261,177.84/619,150.89
  6. Step 6: Final answer
    x = 254,817.14

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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.