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Finding the Fourth Proportional to 329,572.21, 454,843.55 and 200,519.84

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Solution

The fourth proportional to 329,572.21, 454,843.55 and 200,519.84 is: 276,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,572.21 : 454,843.55 = 200,519.84 : x
  2. Step 2: Convert to fraction form
    329,572.21/454,843.55 = 200,519.84/x
  3. Step 3: Cross multiply
    329,572.21x = 454,843.55 × 200,519.84
  4. Step 4: Simplify right side
    329,572.21x = 91,205,155,600.90
  5. Step 5: Solve for x
    x = 91,205,155,600.90/329,572.21
  6. Step 6: Final answer
    x = 276,738.01

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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.