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Finding the Fourth Proportional to 1,334.82, 2,002.17 and 469.14

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Solution

The fourth proportional to 1,334.82, 2,002.17 and 469.14 is: 703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.82 : 2,002.17 = 469.14 : x
  2. Step 2: Convert to fraction form
    1,334.82/2,002.17 = 469.14/x
  3. Step 3: Cross multiply
    1,334.82x = 2,002.17 × 469.14
  4. Step 4: Simplify right side
    1,334.82x = 939,298.03
  5. Step 5: Solve for x
    x = 939,298.03/1,334.82
  6. Step 6: Final answer
    x = 703.69

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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.