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Finding the Fourth Proportional to 454,753.17, 627,189.48 and 400,187.52

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Solution

The fourth proportional to 454,753.17, 627,189.48 and 400,187.52 is: 551,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,753.17 : 627,189.48 = 400,187.52 : x
  2. Step 2: Convert to fraction form
    454,753.17/627,189.48 = 400,187.52/x
  3. Step 3: Cross multiply
    454,753.17x = 627,189.48 × 400,187.52
  4. Step 4: Simplify right side
    454,753.17x = 250,993,402,571.29
  5. Step 5: Solve for x
    x = 250,993,402,571.29/454,753.17
  6. Step 6: Final answer
    x = 551,933.27

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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.