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Finding the Fourth Proportional to 504,161.50, 695,757.72 and 277,821.58

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Solution

The fourth proportional to 504,161.50, 695,757.72 and 277,821.58 is: 383,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,161.50 : 695,757.72 = 277,821.58 : x
  2. Step 2: Convert to fraction form
    504,161.50/695,757.72 = 277,821.58/x
  3. Step 3: Cross multiply
    504,161.50x = 695,757.72 × 277,821.58
  4. Step 4: Simplify right side
    504,161.50x = 193,296,509,067.60
  5. Step 5: Solve for x
    x = 193,296,509,067.60/504,161.50
  6. Step 6: Final answer
    x = 383,401.96

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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.