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Finding the Fourth Proportional to 276,432.82, 381,594.99 and 185,841.32

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Solution

The fourth proportional to 276,432.82, 381,594.99 and 185,841.32 is: 256,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,432.82 : 381,594.99 = 185,841.32 : x
  2. Step 2: Convert to fraction form
    276,432.82/381,594.99 = 185,841.32/x
  3. Step 3: Cross multiply
    276,432.82x = 381,594.99 × 185,841.32
  4. Step 4: Simplify right side
    276,432.82x = 70,916,117,136.37
  5. Step 5: Solve for x
    x = 70,916,117,136.37/276,432.82
  6. Step 6: Final answer
    x = 256,540.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.