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Finding the Fourth Proportional to 504,471.97, 755,999.81 and 276,180.69

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Solution

The fourth proportional to 504,471.97, 755,999.81 and 276,180.69 is: 413,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,471.97 : 755,999.81 = 276,180.69 : x
  2. Step 2: Convert to fraction form
    504,471.97/755,999.81 = 276,180.69/x
  3. Step 3: Cross multiply
    504,471.97x = 755,999.81 × 276,180.69
  4. Step 4: Simplify right side
    504,471.97x = 208,792,548,956.46
  5. Step 5: Solve for x
    x = 208,792,548,956.46/504,471.97
  6. Step 6: Final answer
    x = 413,883.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.