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Finding the Fourth Proportional to 454,972.31, 627,860.01 and 251,035.92

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Solution

The fourth proportional to 454,972.31, 627,860.01 and 251,035.92 is: 346,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,972.31 : 627,860.01 = 251,035.92 : x
  2. Step 2: Convert to fraction form
    454,972.31/627,860.01 = 251,035.92/x
  3. Step 3: Cross multiply
    454,972.31x = 627,860.01 × 251,035.92
  4. Step 4: Simplify right side
    454,972.31x = 157,615,415,241.56
  5. Step 5: Solve for x
    x = 157,615,415,241.56/454,972.31
  6. Step 6: Final answer
    x = 346,428.59

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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.