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Finding the Fourth Proportional to 1,027.36, 1,541.18 and 333.88

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Solution

The fourth proportional to 1,027.36, 1,541.18 and 333.88 is: 500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.36 : 1,541.18 = 333.88 : x
  2. Step 2: Convert to fraction form
    1,027.36/1,541.18 = 333.88/x
  3. Step 3: Cross multiply
    1,027.36x = 1,541.18 × 333.88
  4. Step 4: Simplify right side
    1,027.36x = 514,569.18
  5. Step 5: Solve for x
    x = 514,569.18/1,027.36
  6. Step 6: Final answer
    x = 500.87

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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.