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Finding the Fourth Proportional to 587,268.90, 880,961.49 and 187,809.30

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Solution

The fourth proportional to 587,268.90, 880,961.49 and 187,809.30 is: 281,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,268.90 : 880,961.49 = 187,809.30 : x
  2. Step 2: Convert to fraction form
    587,268.90/880,961.49 = 187,809.30/x
  3. Step 3: Cross multiply
    587,268.90x = 880,961.49 × 187,809.30
  4. Step 4: Simplify right side
    587,268.90x = 165,452,760,763.86
  5. Step 5: Solve for x
    x = 165,452,760,763.86/587,268.90
  6. Step 6: Final answer
    x = 281,732.54

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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.