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Finding the Fourth Proportional to 582.55, 874 and 235.81

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Solution

The fourth proportional to 582.55, 874 and 235.81 is: 353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.55 : 874 = 235.81 : x
  2. Step 2: Convert to fraction form
    582.55/874 = 235.81/x
  3. Step 3: Cross multiply
    582.55x = 874 × 235.81
  4. Step 4: Simplify right side
    582.55x = 206,097.94
  5. Step 5: Solve for x
    x = 206,097.94/582.55
  6. Step 6: Final answer
    x = 353.79

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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.