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Finding the Fourth Proportional to 330,697.28, 456,359.99 and 179,794.28

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Solution

The fourth proportional to 330,697.28, 456,359.99 and 179,794.28 is: 248,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,697.28 : 456,359.99 = 179,794.28 : x
  2. Step 2: Convert to fraction form
    330,697.28/456,359.99 = 179,794.28/x
  3. Step 3: Cross multiply
    330,697.28x = 456,359.99 × 179,794.28
  4. Step 4: Simplify right side
    330,697.28x = 82,050,914,923.89
  5. Step 5: Solve for x
    x = 82,050,914,923.89/330,697.28
  6. Step 6: Final answer
    x = 248,114.88

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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.