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Finding the Fourth Proportional to 537,605.62, 741,647.55 and 322,372.42

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Solution

The fourth proportional to 537,605.62, 741,647.55 and 322,372.42 is: 444,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,605.62 : 741,647.55 = 322,372.42 : x
  2. Step 2: Convert to fraction form
    537,605.62/741,647.55 = 322,372.42/x
  3. Step 3: Cross multiply
    537,605.62x = 741,647.55 × 322,372.42
  4. Step 4: Simplify right side
    537,605.62x = 239,086,715,480.57
  5. Step 5: Solve for x
    x = 239,086,715,480.57/537,605.62
  6. Step 6: Final answer
    x = 444,725.10

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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.