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Finding the Fourth Proportional to 330,690.53, 456,350.69 and 179,787.53

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Solution

The fourth proportional to 330,690.53, 456,350.69 and 179,787.53 is: 248,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,690.53 : 456,350.69 = 179,787.53 : x
  2. Step 2: Convert to fraction form
    330,690.53/456,350.69 = 179,787.53/x
  3. Step 3: Cross multiply
    330,690.53x = 456,350.69 × 179,787.53
  4. Step 4: Simplify right side
    330,690.53x = 82,046,162,469.96
  5. Step 5: Solve for x
    x = 82,046,162,469.96/330,690.53
  6. Step 6: Final answer
    x = 248,105.57

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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.