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Finding the Fourth Proportional to 680.08, 1,022.46 and 595.12

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Solution

The fourth proportional to 680.08, 1,022.46 and 595.12 is: 894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    680.08 : 1,022.46 = 595.12 : x
  2. Step 2: Convert to fraction form
    680.08/1,022.46 = 595.12/x
  3. Step 3: Cross multiply
    680.08x = 1,022.46 × 595.12
  4. Step 4: Simplify right side
    680.08x = 608,486.40
  5. Step 5: Solve for x
    x = 608,486.40/680.08
  6. Step 6: Final answer
    x = 894.73

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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.