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Finding the Fourth Proportional to 454,790.89, 627,857.49 and 273,543.28

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Solution

The fourth proportional to 454,790.89, 627,857.49 and 273,543.28 is: 377,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,790.89 : 627,857.49 = 273,543.28 : x
  2. Step 2: Convert to fraction form
    454,790.89/627,857.49 = 273,543.28/x
  3. Step 3: Cross multiply
    454,790.89x = 627,857.49 × 273,543.28
  4. Step 4: Simplify right side
    454,790.89x = 171,746,197,187.17
  5. Step 5: Solve for x
    x = 171,746,197,187.17/454,790.89
  6. Step 6: Final answer
    x = 377,637.73

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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.