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Finding the Fourth Proportional to 695.34, 959.46 and 590.84

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Solution

The fourth proportional to 695.34, 959.46 and 590.84 is: 815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.34 : 959.46 = 590.84 : x
  2. Step 2: Convert to fraction form
    695.34/959.46 = 590.84/x
  3. Step 3: Cross multiply
    695.34x = 959.46 × 590.84
  4. Step 4: Simplify right side
    695.34x = 566,887.35
  5. Step 5: Solve for x
    x = 566,887.35/695.34
  6. Step 6: Final answer
    x = 815.27

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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.