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Finding the Fourth Proportional to 454,970.33, 627,857.30 and 251,033.95

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Solution

The fourth proportional to 454,970.33, 627,857.30 and 251,033.95 is: 346,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,970.33 : 627,857.30 = 251,033.95 : x
  2. Step 2: Convert to fraction form
    454,970.33/627,857.30 = 251,033.95/x
  3. Step 3: Cross multiply
    454,970.33x = 627,857.30 × 251,033.95
  4. Step 4: Simplify right side
    454,970.33x = 157,613,495,230.52
  5. Step 5: Solve for x
    x = 157,613,495,230.52/454,970.33
  6. Step 6: Final answer
    x = 346,425.87

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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.