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Finding the Fourth Proportional to 503,335.10, 694,601.97 and 276,980.60

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Solution

The fourth proportional to 503,335.10, 694,601.97 and 276,980.60 is: 382,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,335.10 : 694,601.97 = 276,980.60 : x
  2. Step 2: Convert to fraction form
    503,335.10/694,601.97 = 276,980.60/x
  3. Step 3: Cross multiply
    503,335.10x = 694,601.97 × 276,980.60
  4. Step 4: Simplify right side
    503,335.10x = 192,391,270,411.78
  5. Step 5: Solve for x
    x = 192,391,270,411.78/503,335.10
  6. Step 6: Final answer
    x = 382,232.97

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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.