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Finding the Fourth Proportional to 1,147.92, 1,722.62 and 600.49

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Solution

The fourth proportional to 1,147.92, 1,722.62 and 600.49 is: 901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.92 : 1,722.62 = 600.49 : x
  2. Step 2: Convert to fraction form
    1,147.92/1,722.62 = 600.49/x
  3. Step 3: Cross multiply
    1,147.92x = 1,722.62 × 600.49
  4. Step 4: Simplify right side
    1,147.92x = 1,034,416.08
  5. Step 5: Solve for x
    x = 1,034,416.08/1,147.92
  6. Step 6: Final answer
    x = 901.12

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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.