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Finding the Fourth Proportional to 454,624.82, 627,339.42 and 263,617.50

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Solution

The fourth proportional to 454,624.82, 627,339.42 and 263,617.50 is: 363,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,624.82 : 627,339.42 = 263,617.50 : x
  2. Step 2: Convert to fraction form
    454,624.82/627,339.42 = 263,617.50/x
  3. Step 3: Cross multiply
    454,624.82x = 627,339.42 × 263,617.50
  4. Step 4: Simplify right side
    454,624.82x = 165,377,649,551.85
  5. Step 5: Solve for x
    x = 165,377,649,551.85/454,624.82
  6. Step 6: Final answer
    x = 363,767.32

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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.