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Finding the Fourth Proportional to 2,334.39, 3,501.90 and 690.96

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Solution

The fourth proportional to 2,334.39, 3,501.90 and 690.96 is: 1,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.39 : 3,501.90 = 690.96 : x
  2. Step 2: Convert to fraction form
    2,334.39/3,501.90 = 690.96/x
  3. Step 3: Cross multiply
    2,334.39x = 3,501.90 × 690.96
  4. Step 4: Simplify right side
    2,334.39x = 2,419,672.82
  5. Step 5: Solve for x
    x = 2,419,672.82/2,334.39
  6. Step 6: Final answer
    x = 1,036.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.