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Finding the Fourth Proportional to 454,672.20, 627,446.34 and 263,797.32

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Solution

The fourth proportional to 454,672.20, 627,446.34 and 263,797.32 is: 364,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,672.20 : 627,446.34 = 263,797.32 : x
  2. Step 2: Convert to fraction form
    454,672.20/627,446.34 = 263,797.32/x
  3. Step 3: Cross multiply
    454,672.20x = 627,446.34 × 263,797.32
  4. Step 4: Simplify right side
    454,672.20x = 165,518,662,935.81
  5. Step 5: Solve for x
    x = 165,518,662,935.81/454,672.20
  6. Step 6: Final answer
    x = 364,039.55

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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.