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Finding the Fourth Proportional to 894.72, 1,344.72 and 741.62

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Solution

The fourth proportional to 894.72, 1,344.72 and 741.62 is: 1,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.72 : 1,344.72 = 741.62 : x
  2. Step 2: Convert to fraction form
    894.72/1,344.72 = 741.62/x
  3. Step 3: Cross multiply
    894.72x = 1,344.72 × 741.62
  4. Step 4: Simplify right side
    894.72x = 997,271.25
  5. Step 5: Solve for x
    x = 997,271.25/894.72
  6. Step 6: Final answer
    x = 1,114.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.