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Finding the Fourth Proportional to 950.16, 1,425.41 and 456.15

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Solution

The fourth proportional to 950.16, 1,425.41 and 456.15 is: 684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.16 : 1,425.41 = 456.15 : x
  2. Step 2: Convert to fraction form
    950.16/1,425.41 = 456.15/x
  3. Step 3: Cross multiply
    950.16x = 1,425.41 × 456.15
  4. Step 4: Simplify right side
    950.16x = 650,200.77
  5. Step 5: Solve for x
    x = 650,200.77/950.16
  6. Step 6: Final answer
    x = 684.31

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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.