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Finding the Fourth Proportional to 454,364.82, 627,023.97 and 263,489.13

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Solution

The fourth proportional to 454,364.82, 627,023.97 and 263,489.13 is: 363,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,364.82 : 627,023.97 = 263,489.13 : x
  2. Step 2: Convert to fraction form
    454,364.82/627,023.97 = 263,489.13/x
  3. Step 3: Cross multiply
    454,364.82x = 627,023.97 × 263,489.13
  4. Step 4: Simplify right side
    454,364.82x = 165,214,000,344.45
  5. Step 5: Solve for x
    x = 165,214,000,344.45/454,364.82
  6. Step 6: Final answer
    x = 363,615.30

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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.