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Finding the Fourth Proportional to 693.32, 956.68 and 582.60

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Solution

The fourth proportional to 693.32, 956.68 and 582.60 is: 803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.32 : 956.68 = 582.60 : x
  2. Step 2: Convert to fraction form
    693.32/956.68 = 582.60/x
  3. Step 3: Cross multiply
    693.32x = 956.68 × 582.60
  4. Step 4: Simplify right side
    693.32x = 557,361.77
  5. Step 5: Solve for x
    x = 557,361.77/693.32
  6. Step 6: Final answer
    x = 803.90

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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.