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Finding the Fourth Proportional to 454,894.11, 627,760.40 and 263,965.23

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Solution

The fourth proportional to 454,894.11, 627,760.40 and 263,965.23 is: 364,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,894.11 : 627,760.40 = 263,965.23 : x
  2. Step 2: Convert to fraction form
    454,894.11/627,760.40 = 263,965.23/x
  3. Step 3: Cross multiply
    454,894.11x = 627,760.40 × 263,965.23
  4. Step 4: Simplify right side
    454,894.11x = 165,706,918,370.89
  5. Step 5: Solve for x
    x = 165,706,918,370.89/454,894.11
  6. Step 6: Final answer
    x = 364,275.81

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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.