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Finding the Fourth Proportional to 736.88, 1,104.86 and 325.50

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Solution

The fourth proportional to 736.88, 1,104.86 and 325.50 is: 488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.88 : 1,104.86 = 325.50 : x
  2. Step 2: Convert to fraction form
    736.88/1,104.86 = 325.50/x
  3. Step 3: Cross multiply
    736.88x = 1,104.86 × 325.50
  4. Step 4: Simplify right side
    736.88x = 359,630.30
  5. Step 5: Solve for x
    x = 359,630.30/736.88
  6. Step 6: Final answer
    x = 488.05

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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.