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Finding the Fourth Proportional to 923.27, 1,274.06 and 524.88

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Solution

The fourth proportional to 923.27, 1,274.06 and 524.88 is: 724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.27 : 1,274.06 = 524.88 : x
  2. Step 2: Convert to fraction form
    923.27/1,274.06 = 524.88/x
  3. Step 3: Cross multiply
    923.27x = 1,274.06 × 524.88
  4. Step 4: Simplify right side
    923.27x = 668,729.93
  5. Step 5: Solve for x
    x = 668,729.93/923.27
  6. Step 6: Final answer
    x = 724.31

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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.