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Finding the Fourth Proportional to 454,560.91, 627,368.06 and 273,455.89

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Solution

The fourth proportional to 454,560.91, 627,368.06 and 273,455.89 is: 377,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,560.91 : 627,368.06 = 273,455.89 : x
  2. Step 2: Convert to fraction form
    454,560.91/627,368.06 = 273,455.89/x
  3. Step 3: Cross multiply
    454,560.91x = 627,368.06 × 273,455.89
  4. Step 4: Simplify right side
    454,560.91x = 171,557,488,269.17
  5. Step 5: Solve for x
    x = 171,557,488,269.17/454,560.91
  6. Step 6: Final answer
    x = 377,413.64

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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.