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Finding the Fourth Proportional to 587,274.87, 880,855.32 and 187,808.39

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Solution

The fourth proportional to 587,274.87, 880,855.32 and 187,808.39 is: 281,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,274.87 : 880,855.32 = 187,808.39 : x
  2. Step 2: Convert to fraction form
    587,274.87/880,855.32 = 187,808.39/x
  3. Step 3: Cross multiply
    587,274.87x = 880,855.32 × 187,808.39
  4. Step 4: Simplify right side
    587,274.87x = 165,432,015,067.86
  5. Step 5: Solve for x
    x = 165,432,015,067.86/587,274.87
  6. Step 6: Final answer
    x = 281,694.35

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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.