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Finding the Fourth Proportional to 568.12, 850.70 and 476.36

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Solution

The fourth proportional to 568.12, 850.70 and 476.36 is: 713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.12 : 850.70 = 476.36 : x
  2. Step 2: Convert to fraction form
    568.12/850.70 = 476.36/x
  3. Step 3: Cross multiply
    568.12x = 850.70 × 476.36
  4. Step 4: Simplify right side
    568.12x = 405,239.45
  5. Step 5: Solve for x
    x = 405,239.45/568.12
  6. Step 6: Final answer
    x = 713.30

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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.