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Finding the Fourth Proportional to 454,792.89, 627,860.25 and 273,545.28

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Solution

The fourth proportional to 454,792.89, 627,860.25 and 273,545.28 is: 377,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,792.89 : 627,860.25 = 273,545.28 : x
  2. Step 2: Convert to fraction form
    454,792.89/627,860.25 = 273,545.28/x
  3. Step 3: Cross multiply
    454,792.89x = 627,860.25 × 273,545.28
  4. Step 4: Simplify right side
    454,792.89x = 171,748,207,887.12
  5. Step 5: Solve for x
    x = 171,748,207,887.12/454,792.89
  6. Step 6: Final answer
    x = 377,640.49

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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.