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Finding the Fourth Proportional to 1,024.54, 1,536.61 and 294.12

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Solution

The fourth proportional to 1,024.54, 1,536.61 and 294.12 is: 441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.54 : 1,536.61 = 294.12 : x
  2. Step 2: Convert to fraction form
    1,024.54/1,536.61 = 294.12/x
  3. Step 3: Cross multiply
    1,024.54x = 1,536.61 × 294.12
  4. Step 4: Simplify right side
    1,024.54x = 451,947.73
  5. Step 5: Solve for x
    x = 451,947.73/1,024.54
  6. Step 6: Final answer
    x = 441.12

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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.