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Finding the Fourth Proportional to 682.84, 1,023.18 and 592.12

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Solution

The fourth proportional to 682.84, 1,023.18 and 592.12 is: 887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.84 : 1,023.18 = 592.12 : x
  2. Step 2: Convert to fraction form
    682.84/1,023.18 = 592.12/x
  3. Step 3: Cross multiply
    682.84x = 1,023.18 × 592.12
  4. Step 4: Simplify right side
    682.84x = 605,845.34
  5. Step 5: Solve for x
    x = 605,845.34/682.84
  6. Step 6: Final answer
    x = 887.24

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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.