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Finding the Fourth Proportional to 923.92, 1,275.18 and 600.63

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Solution

The fourth proportional to 923.92, 1,275.18 and 600.63 is: 828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.92 : 1,275.18 = 600.63 : x
  2. Step 2: Convert to fraction form
    923.92/1,275.18 = 600.63/x
  3. Step 3: Cross multiply
    923.92x = 1,275.18 × 600.63
  4. Step 4: Simplify right side
    923.92x = 765,904.33
  5. Step 5: Solve for x
    x = 765,904.33/923.92
  6. Step 6: Final answer
    x = 828.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.