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Finding the Fourth Proportional to 583.34, 874.92 and 193.28

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Solution

The fourth proportional to 583.34, 874.92 and 193.28 is: 289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.34 : 874.92 = 193.28 : x
  2. Step 2: Convert to fraction form
    583.34/874.92 = 193.28/x
  3. Step 3: Cross multiply
    583.34x = 874.92 × 193.28
  4. Step 4: Simplify right side
    583.34x = 169,104.54
  5. Step 5: Solve for x
    x = 169,104.54/583.34
  6. Step 6: Final answer
    x = 289.89

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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.