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Finding the Fourth Proportional to 454,368.61, 627,003.10 and 250,418.90

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Solution

The fourth proportional to 454,368.61, 627,003.10 and 250,418.90 is: 345,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,368.61 : 627,003.10 = 250,418.90 : x
  2. Step 2: Convert to fraction form
    454,368.61/627,003.10 = 250,418.90/x
  3. Step 3: Cross multiply
    454,368.61x = 627,003.10 × 250,418.90
  4. Step 4: Simplify right side
    454,368.61x = 157,013,430,065.15
  5. Step 5: Solve for x
    x = 157,013,430,065.15/454,368.61
  6. Step 6: Final answer
    x = 345,563.99

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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.