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Finding the Fourth Proportional to 454,053.60, 681,226.20 and 201,236.40

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Solution

The fourth proportional to 454,053.60, 681,226.20 and 201,236.40 is: 301,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,053.60 : 681,226.20 = 201,236.40 : x
  2. Step 2: Convert to fraction form
    454,053.60/681,226.20 = 201,236.40/x
  3. Step 3: Cross multiply
    454,053.60x = 681,226.20 × 201,236.40
  4. Step 4: Simplify right side
    454,053.60x = 137,087,508,073.68
  5. Step 5: Solve for x
    x = 137,087,508,073.68/454,053.60
  6. Step 6: Final answer
    x = 301,919.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.