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Finding the Fourth Proportional to 923.97, 1,274.22 and 592.68

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Solution

The fourth proportional to 923.97, 1,274.22 and 592.68 is: 817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.97 : 1,274.22 = 592.68 : x
  2. Step 2: Convert to fraction form
    923.97/1,274.22 = 592.68/x
  3. Step 3: Cross multiply
    923.97x = 1,274.22 × 592.68
  4. Step 4: Simplify right side
    923.97x = 755,204.71
  5. Step 5: Solve for x
    x = 755,204.71/923.97
  6. Step 6: Final answer
    x = 817.35

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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.