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Finding the Fourth Proportional to 956.28, 1,319.31 and 606.36

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Solution

The fourth proportional to 956.28, 1,319.31 and 606.36 is: 836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.28 : 1,319.31 = 606.36 : x
  2. Step 2: Convert to fraction form
    956.28/1,319.31 = 606.36/x
  3. Step 3: Cross multiply
    956.28x = 1,319.31 × 606.36
  4. Step 4: Simplify right side
    956.28x = 799,976.81
  5. Step 5: Solve for x
    x = 799,976.81/956.28
  6. Step 6: Final answer
    x = 836.55

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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.