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Finding the Fourth Proportional to 586.96, 880.74 and 262.54

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Solution

The fourth proportional to 586.96, 880.74 and 262.54 is: 393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.96 : 880.74 = 262.54 : x
  2. Step 2: Convert to fraction form
    586.96/880.74 = 262.54/x
  3. Step 3: Cross multiply
    586.96x = 880.74 × 262.54
  4. Step 4: Simplify right side
    586.96x = 231,229.48
  5. Step 5: Solve for x
    x = 231,229.48/586.96
  6. Step 6: Final answer
    x = 393.94

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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.