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Finding the Fourth Proportional to 736.59, 1,104.94 and 303.75

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Solution

The fourth proportional to 736.59, 1,104.94 and 303.75 is: 455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.59 : 1,104.94 = 303.75 : x
  2. Step 2: Convert to fraction form
    736.59/1,104.94 = 303.75/x
  3. Step 3: Cross multiply
    736.59x = 1,104.94 × 303.75
  4. Step 4: Simplify right side
    736.59x = 335,625.90
  5. Step 5: Solve for x
    x = 335,625.90/736.59
  6. Step 6: Final answer
    x = 455.65

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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.