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Finding the Fourth Proportional to 503,361.17, 694,638.51 and 277,006.67

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Solution

The fourth proportional to 503,361.17, 694,638.51 and 277,006.67 is: 382,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,361.17 : 694,638.51 = 277,006.67 : x
  2. Step 2: Convert to fraction form
    503,361.17/694,638.51 = 277,006.67/x
  3. Step 3: Cross multiply
    503,361.17x = 694,638.51 × 277,006.67
  4. Step 4: Simplify right side
    503,361.17x = 192,419,500,508.86
  5. Step 5: Solve for x
    x = 192,419,500,508.86/503,361.17
  6. Step 6: Final answer
    x = 382,269.26

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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.