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Finding the Fourth Proportional to 454,500.56, 627,232.20 and 253,298

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Solution

The fourth proportional to 454,500.56, 627,232.20 and 253,298 is: 349,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,500.56 : 627,232.20 = 253,298 : x
  2. Step 2: Convert to fraction form
    454,500.56/627,232.20 = 253,298/x
  3. Step 3: Cross multiply
    454,500.56x = 627,232.20 × 253,298
  4. Step 4: Simplify right side
    454,500.56x = 158,876,661,795.60
  5. Step 5: Solve for x
    x = 158,876,661,795.60/454,500.56
  6. Step 6: Final answer
    x = 349,563.18

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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.