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Finding the Fourth Proportional to 683,674.14, 943,489.35 and 377,770.32

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Solution

The fourth proportional to 683,674.14, 943,489.35 and 377,770.32 is: 521,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,674.14 : 943,489.35 = 377,770.32 : x
  2. Step 2: Convert to fraction form
    683,674.14/943,489.35 = 377,770.32/x
  3. Step 3: Cross multiply
    683,674.14x = 943,489.35 × 377,770.32
  4. Step 4: Simplify right side
    683,674.14x = 356,422,273,666.09
  5. Step 5: Solve for x
    x = 356,422,273,666.09/683,674.14
  6. Step 6: Final answer
    x = 521,333.56

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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.