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Finding the Fourth Proportional to 330,555.51, 456,165 and 179,652.51

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Solution

The fourth proportional to 330,555.51, 456,165 and 179,652.51 is: 247,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,555.51 : 456,165 = 179,652.51 : x
  2. Step 2: Convert to fraction form
    330,555.51/456,165 = 179,652.51/x
  3. Step 3: Cross multiply
    330,555.51x = 456,165 × 179,652.51
  4. Step 4: Simplify right side
    330,555.51x = 81,951,187,224.15
  5. Step 5: Solve for x
    x = 81,951,187,224.15/330,555.51
  6. Step 6: Final answer
    x = 247,919.59

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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.