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Finding the Fourth Proportional to 1,496.62, 2,244.14 and 509.09

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Solution

The fourth proportional to 1,496.62, 2,244.14 and 509.09 is: 763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.62 : 2,244.14 = 509.09 : x
  2. Step 2: Convert to fraction form
    1,496.62/2,244.14 = 509.09/x
  3. Step 3: Cross multiply
    1,496.62x = 2,244.14 × 509.09
  4. Step 4: Simplify right side
    1,496.62x = 1,142,466.69
  5. Step 5: Solve for x
    x = 1,142,466.69/1,496.62
  6. Step 6: Final answer
    x = 763.37

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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.