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Finding the Fourth Proportional to 950.88, 1,424.32 and 883.36

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Solution

The fourth proportional to 950.88, 1,424.32 and 883.36 is: 1,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.88 : 1,424.32 = 883.36 : x
  2. Step 2: Convert to fraction form
    950.88/1,424.32 = 883.36/x
  3. Step 3: Cross multiply
    950.88x = 1,424.32 × 883.36
  4. Step 4: Simplify right side
    950.88x = 1,258,187.32
  5. Step 5: Solve for x
    x = 1,258,187.32/950.88
  6. Step 6: Final answer
    x = 1,323.18

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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.