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Finding the Fourth Proportional to 454,459.72, 627,158.82 and 250,518.52

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Solution

The fourth proportional to 454,459.72, 627,158.82 and 250,518.52 is: 345,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,459.72 : 627,158.82 = 250,518.52 : x
  2. Step 2: Convert to fraction form
    454,459.72/627,158.82 = 250,518.52/x
  3. Step 3: Cross multiply
    454,459.72x = 627,158.82 × 250,518.52
  4. Step 4: Simplify right side
    454,459.72x = 157,114,899,391.35
  5. Step 5: Solve for x
    x = 157,114,899,391.35/454,459.72
  6. Step 6: Final answer
    x = 345,717.99

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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.