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Finding the Fourth Proportional to 697,704.23, 962,841.94 and 391,846.82

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Solution

The fourth proportional to 697,704.23, 962,841.94 and 391,846.82 is: 540,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,704.23 : 962,841.94 = 391,846.82 : x
  2. Step 2: Convert to fraction form
    697,704.23/962,841.94 = 391,846.82/x
  3. Step 3: Cross multiply
    697,704.23x = 962,841.94 × 391,846.82
  4. Step 4: Simplify right side
    697,704.23x = 377,286,546,557.80
  5. Step 5: Solve for x
    x = 377,286,546,557.80/697,704.23
  6. Step 6: Final answer
    x = 540,754.28

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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.