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Finding the Fourth Proportional to 2,334.14, 3,499.99 and 690.46

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Solution

The fourth proportional to 2,334.14, 3,499.99 and 690.46 is: 1,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.14 : 3,499.99 = 690.46 : x
  2. Step 2: Convert to fraction form
    2,334.14/3,499.99 = 690.46/x
  3. Step 3: Cross multiply
    2,334.14x = 3,499.99 × 690.46
  4. Step 4: Simplify right side
    2,334.14x = 2,416,599.18
  5. Step 5: Solve for x
    x = 2,416,599.18/2,334.14
  6. Step 6: Final answer
    x = 1,035.33

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Why These Related Problems?

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