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Finding the Fourth Proportional to 1,103.41, 1,522.73 and 606.08

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Solution

The fourth proportional to 1,103.41, 1,522.73 and 606.08 is: 836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.41 : 1,522.73 = 606.08 : x
  2. Step 2: Convert to fraction form
    1,103.41/1,522.73 = 606.08/x
  3. Step 3: Cross multiply
    1,103.41x = 1,522.73 × 606.08
  4. Step 4: Simplify right side
    1,103.41x = 922,902.66
  5. Step 5: Solve for x
    x = 922,902.66/1,103.41
  6. Step 6: Final answer
    x = 836.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.