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Finding the Fourth Proportional to 2,338.99, 3,508.48 and 607.62

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Solution

The fourth proportional to 2,338.99, 3,508.48 and 607.62 is: 911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.99 : 3,508.48 = 607.62 : x
  2. Step 2: Convert to fraction form
    2,338.99/3,508.48 = 607.62/x
  3. Step 3: Cross multiply
    2,338.99x = 3,508.48 × 607.62
  4. Step 4: Simplify right side
    2,338.99x = 2,131,812.33
  5. Step 5: Solve for x
    x = 2,131,812.33/2,338.99
  6. Step 6: Final answer
    x = 911.42

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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.