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Finding the Fourth Proportional to 330,593.28, 456,219.36 and 179,689.92

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Solution

The fourth proportional to 330,593.28, 456,219.36 and 179,689.92 is: 247,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,593.28 : 456,219.36 = 179,689.92 : x
  2. Step 2: Convert to fraction form
    330,593.28/456,219.36 = 179,689.92/x
  3. Step 3: Cross multiply
    330,593.28x = 456,219.36 × 179,689.92
  4. Step 4: Simplify right side
    330,593.28x = 81,978,020,300.85
  5. Step 5: Solve for x
    x = 81,978,020,300.85/330,593.28
  6. Step 6: Final answer
    x = 247,972.43

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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.