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Finding the Fourth Proportional to 330,633.80, 456,279.18 and 179,734.04

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Solution

The fourth proportional to 330,633.80, 456,279.18 and 179,734.04 is: 248,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,633.80 : 456,279.18 = 179,734.04 : x
  2. Step 2: Convert to fraction form
    330,633.80/456,279.18 = 179,734.04/x
  3. Step 3: Cross multiply
    330,633.80x = 456,279.18 × 179,734.04
  4. Step 4: Simplify right side
    330,633.80x = 82,008,900,389.29
  5. Step 5: Solve for x
    x = 82,008,900,389.29/330,633.80
  6. Step 6: Final answer
    x = 248,035.44

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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.