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Finding the Fourth Proportional to 695.34, 958.86 and 602.04

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Solution

The fourth proportional to 695.34, 958.86 and 602.04 is: 830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.34 : 958.86 = 602.04 : x
  2. Step 2: Convert to fraction form
    695.34/958.86 = 602.04/x
  3. Step 3: Cross multiply
    695.34x = 958.86 × 602.04
  4. Step 4: Simplify right side
    695.34x = 577,272.07
  5. Step 5: Solve for x
    x = 577,272.07/695.34
  6. Step 6: Final answer
    x = 830.20

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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.