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Finding the Fourth Proportional to 952.12, 1,426.36 and 541.54

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Solution

The fourth proportional to 952.12, 1,426.36 and 541.54 is: 811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.12 : 1,426.36 = 541.54 : x
  2. Step 2: Convert to fraction form
    952.12/1,426.36 = 541.54/x
  3. Step 3: Cross multiply
    952.12x = 1,426.36 × 541.54
  4. Step 4: Simplify right side
    952.12x = 772,430.99
  5. Step 5: Solve for x
    x = 772,430.99/952.12
  6. Step 6: Final answer
    x = 811.27

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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.