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Finding the Fourth Proportional to 969.10, 1,337.04 and 595.69

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Solution

The fourth proportional to 969.10, 1,337.04 and 595.69 is: 821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.10 : 1,337.04 = 595.69 : x
  2. Step 2: Convert to fraction form
    969.10/1,337.04 = 595.69/x
  3. Step 3: Cross multiply
    969.10x = 1,337.04 × 595.69
  4. Step 4: Simplify right side
    969.10x = 796,458.02
  5. Step 5: Solve for x
    x = 796,458.02/969.10
  6. Step 6: Final answer
    x = 821.86

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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.