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Finding the Fourth Proportional to 329,221.12, 454,333.44 and 201,967.04

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Solution

The fourth proportional to 329,221.12, 454,333.44 and 201,967.04 is: 278,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,221.12 : 454,333.44 = 201,967.04 : x
  2. Step 2: Convert to fraction form
    329,221.12/454,333.44 = 201,967.04/x
  3. Step 3: Cross multiply
    329,221.12x = 454,333.44 × 201,967.04
  4. Step 4: Simplify right side
    329,221.12x = 91,760,380,049.82
  5. Step 5: Solve for x
    x = 91,760,380,049.82/329,221.12
  6. Step 6: Final answer
    x = 278,719.60

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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.