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Finding the Fourth Proportional to 276,432.75, 381,594.90 and 185,841.26

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Solution

The fourth proportional to 276,432.75, 381,594.90 and 185,841.26 is: 256,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,432.75 : 381,594.90 = 185,841.26 : x
  2. Step 2: Convert to fraction form
    276,432.75/381,594.90 = 185,841.26/x
  3. Step 3: Cross multiply
    276,432.75x = 381,594.90 × 185,841.26
  4. Step 4: Simplify right side
    276,432.75x = 70,916,077,025.57
  5. Step 5: Solve for x
    x = 70,916,077,025.57/276,432.75
  6. Step 6: Final answer
    x = 256,540.07

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1.5x scale

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.