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Finding the Fourth Proportional to 582.86, 874.30 and 236.12

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Solution

The fourth proportional to 582.86, 874.30 and 236.12 is: 354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.86 : 874.30 = 236.12 : x
  2. Step 2: Convert to fraction form
    582.86/874.30 = 236.12/x
  3. Step 3: Cross multiply
    582.86x = 874.30 × 236.12
  4. Step 4: Simplify right side
    582.86x = 206,437.38
  5. Step 5: Solve for x
    x = 206,437.38/582.86
  6. Step 6: Final answer
    x = 354.18

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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.