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Finding the Fourth Proportional to 329,179.80, 454,268.13 and 178,276.80

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Solution

The fourth proportional to 329,179.80, 454,268.13 and 178,276.80 is: 246,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,179.80 : 454,268.13 = 178,276.80 : x
  2. Step 2: Convert to fraction form
    329,179.80/454,268.13 = 178,276.80/x
  3. Step 3: Cross multiply
    329,179.80x = 454,268.13 × 178,276.80
  4. Step 4: Simplify right side
    329,179.80x = 80,985,468,558.38
  5. Step 5: Solve for x
    x = 80,985,468,558.38/329,179.80
  6. Step 6: Final answer
    x = 246,021.99

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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.