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Finding the Fourth Proportional to 454,445.60, 627,083.52 and 263,419.52

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Solution

The fourth proportional to 454,445.60, 627,083.52 and 263,419.52 is: 363,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,445.60 : 627,083.52 = 263,419.52 : x
  2. Step 2: Convert to fraction form
    454,445.60/627,083.52 = 263,419.52/x
  3. Step 3: Cross multiply
    454,445.60x = 627,083.52 × 263,419.52
  4. Step 4: Simplify right side
    454,445.60x = 165,186,039,838.31
  5. Step 5: Solve for x
    x = 165,186,039,838.31/454,445.60
  6. Step 6: Final answer
    x = 363,489.14

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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.