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Finding the Fourth Proportional to 950.36, 1,425.89 and 580.92

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Solution

The fourth proportional to 950.36, 1,425.89 and 580.92 is: 871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.36 : 1,425.89 = 580.92 : x
  2. Step 2: Convert to fraction form
    950.36/1,425.89 = 580.92/x
  3. Step 3: Cross multiply
    950.36x = 1,425.89 × 580.92
  4. Step 4: Simplify right side
    950.36x = 828,327.29
  5. Step 5: Solve for x
    x = 828,327.29/950.36
  6. Step 6: Final answer
    x = 871.60

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Why These Related Problems?

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