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Finding the Fourth Proportional to 454,971.24, 627,858.54 and 251,034.85

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Solution

The fourth proportional to 454,971.24, 627,858.54 and 251,034.85 is: 346,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,971.24 : 627,858.54 = 251,034.85 : x
  2. Step 2: Convert to fraction form
    454,971.24/627,858.54 = 251,034.85/x
  3. Step 3: Cross multiply
    454,971.24x = 627,858.54 × 251,034.85
  4. Step 4: Simplify right side
    454,971.24x = 157,614,377,235.28
  5. Step 5: Solve for x
    x = 157,614,377,235.28/454,971.24
  6. Step 6: Final answer
    x = 346,427.12

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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.