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Finding the Fourth Proportional to 599.18, 892.58 and 581.05

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Solution

The fourth proportional to 599.18, 892.58 and 581.05 is: 865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.18 : 892.58 = 581.05 : x
  2. Step 2: Convert to fraction form
    599.18/892.58 = 581.05/x
  3. Step 3: Cross multiply
    599.18x = 892.58 × 581.05
  4. Step 4: Simplify right side
    599.18x = 518,626.24
  5. Step 5: Solve for x
    x = 518,626.24/599.18
  6. Step 6: Final answer
    x = 865.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.