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Finding the Fourth Proportional to 899.56, 1,241.70 and 650.92

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Solution

The fourth proportional to 899.56, 1,241.70 and 650.92 is: 898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.56 : 1,241.70 = 650.92 : x
  2. Step 2: Convert to fraction form
    899.56/1,241.70 = 650.92/x
  3. Step 3: Cross multiply
    899.56x = 1,241.70 × 650.92
  4. Step 4: Simplify right side
    899.56x = 808,247.36
  5. Step 5: Solve for x
    x = 808,247.36/899.56
  6. Step 6: Final answer
    x = 898.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.