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Finding the Fourth Proportional to 566.80, 850.48 and 258.60

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Solution

The fourth proportional to 566.80, 850.48 and 258.60 is: 388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.80 : 850.48 = 258.60 : x
  2. Step 2: Convert to fraction form
    566.80/850.48 = 258.60/x
  3. Step 3: Cross multiply
    566.80x = 850.48 × 258.60
  4. Step 4: Simplify right side
    566.80x = 219,934.13
  5. Step 5: Solve for x
    x = 219,934.13/566.80
  6. Step 6: Final answer
    x = 388.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.