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Finding the Fourth Proportional to 683,774.66, 943,665.83 and 377,910.73

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Solution

The fourth proportional to 683,774.66, 943,665.83 and 377,910.73 is: 521,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,774.66 : 943,665.83 = 377,910.73 : x
  2. Step 2: Convert to fraction form
    683,774.66/943,665.83 = 377,910.73/x
  3. Step 3: Cross multiply
    683,774.66x = 943,665.83 × 377,910.73
  4. Step 4: Simplify right side
    683,774.66x = 356,621,443,398.55
  5. Step 5: Solve for x
    x = 356,621,443,398.55/683,774.66
  6. Step 6: Final answer
    x = 521,548.20

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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.