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Finding the Fourth Proportional to 273,728.70, 375,002.06 and 263,494.61

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Solution

The fourth proportional to 273,728.70, 375,002.06 and 263,494.61 is: 360,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,728.70 : 375,002.06 = 263,494.61 : x
  2. Step 2: Convert to fraction form
    273,728.70/375,002.06 = 263,494.61/x
  3. Step 3: Cross multiply
    273,728.70x = 375,002.06 × 263,494.61
  4. Step 4: Simplify right side
    273,728.70x = 98,811,021,548.90
  5. Step 5: Solve for x
    x = 98,811,021,548.90/273,728.70
  6. Step 6: Final answer
    x = 360,981.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.