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Finding the Fourth Proportional to 267,288.35, 400,876.09 and 159,265.60

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Solution

The fourth proportional to 267,288.35, 400,876.09 and 159,265.60 is: 238,864.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,288.35 : 400,876.09 = 159,265.60 : x
  2. Step 2: Convert to fraction form
    267,288.35/400,876.09 = 159,265.60/x
  3. Step 3: Cross multiply
    267,288.35x = 400,876.09 × 159,265.60
  4. Step 4: Simplify right side
    267,288.35x = 63,845,769,599.15
  5. Step 5: Solve for x
    x = 63,845,769,599.15/267,288.35
  6. Step 6: Final answer
    x = 238,864.77

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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.