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Finding the Fourth Proportional to 656.33, 984.48 and 245.57

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Solution

The fourth proportional to 656.33, 984.48 and 245.57 is: 368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.33 : 984.48 = 245.57 : x
  2. Step 2: Convert to fraction form
    656.33/984.48 = 245.57/x
  3. Step 3: Cross multiply
    656.33x = 984.48 × 245.57
  4. Step 4: Simplify right side
    656.33x = 241,758.75
  5. Step 5: Solve for x
    x = 241,758.75/656.33
  6. Step 6: Final answer
    x = 368.35

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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.