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Finding the Fourth Proportional to 454,473.10, 627,144.70 and 250,513.48

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Solution

The fourth proportional to 454,473.10, 627,144.70 and 250,513.48 is: 345,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,473.10 : 627,144.70 = 250,513.48 : x
  2. Step 2: Convert to fraction form
    454,473.10/627,144.70 = 250,513.48/x
  3. Step 3: Cross multiply
    454,473.10x = 627,144.70 × 250,513.48
  4. Step 4: Simplify right side
    454,473.10x = 157,108,199,066.41
  5. Step 5: Solve for x
    x = 157,108,199,066.41/454,473.10
  6. Step 6: Final answer
    x = 345,693.07

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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.