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Finding the Fourth Proportional to 276,249.92, 381,086.88 and 174,401.60

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Solution

The fourth proportional to 276,249.92, 381,086.88 and 174,401.60 is: 240,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,249.92 : 381,086.88 = 174,401.60 : x
  2. Step 2: Convert to fraction form
    276,249.92/381,086.88 = 174,401.60/x
  3. Step 3: Cross multiply
    276,249.92x = 381,086.88 × 174,401.60
  4. Step 4: Simplify right side
    276,249.92x = 66,462,161,611.01
  5. Step 5: Solve for x
    x = 66,462,161,611.01/276,249.92
  6. Step 6: Final answer
    x = 240,587.08

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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.