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Finding the Fourth Proportional to 503,321.88, 694,587.33 and 273,880.97

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Solution

The fourth proportional to 503,321.88, 694,587.33 and 273,880.97 is: 377,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,321.88 : 694,587.33 = 273,880.97 : x
  2. Step 2: Convert to fraction form
    503,321.88/694,587.33 = 273,880.97/x
  3. Step 3: Cross multiply
    503,321.88x = 694,587.33 × 273,880.97
  4. Step 4: Simplify right side
    503,321.88x = 190,234,252,005.11
  5. Step 5: Solve for x
    x = 190,234,252,005.11/503,321.88
  6. Step 6: Final answer
    x = 377,957.45

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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.