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Finding the Fourth Proportional to 694.98, 958.16 and 562.06

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Solution

The fourth proportional to 694.98, 958.16 and 562.06 is: 774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.98 : 958.16 = 562.06 : x
  2. Step 2: Convert to fraction form
    694.98/958.16 = 562.06/x
  3. Step 3: Cross multiply
    694.98x = 958.16 × 562.06
  4. Step 4: Simplify right side
    694.98x = 538,543.41
  5. Step 5: Solve for x
    x = 538,543.41/694.98
  6. Step 6: Final answer
    x = 774.90

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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.