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Finding the Fourth Proportional to 962.67, 1,441.23 and 730.20

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Solution

The fourth proportional to 962.67, 1,441.23 and 730.20 is: 1,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.67 : 1,441.23 = 730.20 : x
  2. Step 2: Convert to fraction form
    962.67/1,441.23 = 730.20/x
  3. Step 3: Cross multiply
    962.67x = 1,441.23 × 730.20
  4. Step 4: Simplify right side
    962.67x = 1,052,386.15
  5. Step 5: Solve for x
    x = 1,052,386.15/962.67
  6. Step 6: Final answer
    x = 1,093.20

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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.