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Finding the Fourth Proportional to 923.24, 1,274.04 and 503.59

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Solution

The fourth proportional to 923.24, 1,274.04 and 503.59 is: 694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.24 : 1,274.04 = 503.59 : x
  2. Step 2: Convert to fraction form
    923.24/1,274.04 = 503.59/x
  3. Step 3: Cross multiply
    923.24x = 1,274.04 × 503.59
  4. Step 4: Simplify right side
    923.24x = 641,597.28
  5. Step 5: Solve for x
    x = 641,597.28/923.24
  6. Step 6: Final answer
    x = 694.94

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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.