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Finding the Fourth Proportional to 1,067.28, 1,472.68 and 601.52

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Solution

The fourth proportional to 1,067.28, 1,472.68 and 601.52 is: 830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.28 : 1,472.68 = 601.52 : x
  2. Step 2: Convert to fraction form
    1,067.28/1,472.68 = 601.52/x
  3. Step 3: Cross multiply
    1,067.28x = 1,472.68 × 601.52
  4. Step 4: Simplify right side
    1,067.28x = 885,846.47
  5. Step 5: Solve for x
    x = 885,846.47/1,067.28
  6. Step 6: Final answer
    x = 830.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.