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Finding the Fourth Proportional to 330,754.80, 456,444 and 179,850.72

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Solution

The fourth proportional to 330,754.80, 456,444 and 179,850.72 is: 248,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,754.80 : 456,444 = 179,850.72 : x
  2. Step 2: Convert to fraction form
    330,754.80/456,444 = 179,850.72/x
  3. Step 3: Cross multiply
    330,754.80x = 456,444 × 179,850.72
  4. Step 4: Simplify right side
    330,754.80x = 82,091,782,039.68
  5. Step 5: Solve for x
    x = 82,091,782,039.68/330,754.80
  6. Step 6: Final answer
    x = 248,195.29

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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.