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Finding the Fourth Proportional to 735.95, 1,104.20 and 454.83

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Solution

The fourth proportional to 735.95, 1,104.20 and 454.83 is: 682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.95 : 1,104.20 = 454.83 : x
  2. Step 2: Convert to fraction form
    735.95/1,104.20 = 454.83/x
  3. Step 3: Cross multiply
    735.95x = 1,104.20 × 454.83
  4. Step 4: Simplify right side
    735.95x = 502,221.01
  5. Step 5: Solve for x
    x = 502,221.01/735.95
  6. Step 6: Final answer
    x = 682.42

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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.