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Finding the Fourth Proportional to 856, 1,180.38 and 593.92

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Solution

The fourth proportional to 856, 1,180.38 and 593.92 is: 818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    856 : 1,180.38 = 593.92 : x
  2. Step 2: Convert to fraction form
    856/1,180.38 = 593.92/x
  3. Step 3: Cross multiply
    856x = 1,180.38 × 593.92
  4. Step 4: Simplify right side
    856x = 701,051.29
  5. Step 5: Solve for x
    x = 701,051.29/856
  6. Step 6: Final answer
    x = 818.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.