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Finding the Fourth Proportional to 735.45, 1,101.82 and 370.23

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Solution

The fourth proportional to 735.45, 1,101.82 and 370.23 is: 554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.45 : 1,101.82 = 370.23 : x
  2. Step 2: Convert to fraction form
    735.45/1,101.82 = 370.23/x
  3. Step 3: Cross multiply
    735.45x = 1,101.82 × 370.23
  4. Step 4: Simplify right side
    735.45x = 407,926.82
  5. Step 5: Solve for x
    x = 407,926.82/735.45
  6. Step 6: Final answer
    x = 554.66

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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.