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Finding the Fourth Proportional to 735.75, 1,104.13 and 302.91

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Solution

The fourth proportional to 735.75, 1,104.13 and 302.91 is: 454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.75 : 1,104.13 = 302.91 : x
  2. Step 2: Convert to fraction form
    735.75/1,104.13 = 302.91/x
  3. Step 3: Cross multiply
    735.75x = 1,104.13 × 302.91
  4. Step 4: Simplify right side
    735.75x = 334,448.26
  5. Step 5: Solve for x
    x = 334,448.26/735.75
  6. Step 6: Final answer
    x = 454.57

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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.