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Finding the Fourth Proportional to 330,763.50, 456,456.87 and 179,863.74

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Solution

The fourth proportional to 330,763.50, 456,456.87 and 179,863.74 is: 248,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,763.50 : 456,456.87 = 179,863.74 : x
  2. Step 2: Convert to fraction form
    330,763.50/456,456.87 = 179,863.74/x
  3. Step 3: Cross multiply
    330,763.50x = 456,456.87 × 179,863.74
  4. Step 4: Simplify right side
    330,763.50x = 82,100,039,786.89
  5. Step 5: Solve for x
    x = 82,100,039,786.89/330,763.50
  6. Step 6: Final answer
    x = 248,213.72

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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.