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Finding the Fourth Proportional to 856.96, 1,182 and 595.04

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Solution

The fourth proportional to 856.96, 1,182 and 595.04 is: 820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    856.96 : 1,182 = 595.04 : x
  2. Step 2: Convert to fraction form
    856.96/1,182 = 595.04/x
  3. Step 3: Cross multiply
    856.96x = 1,182 × 595.04
  4. Step 4: Simplify right side
    856.96x = 703,337.28
  5. Step 5: Solve for x
    x = 703,337.28/856.96
  6. Step 6: Final answer
    x = 820.74

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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.