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Finding the Fourth Proportional to 1,029.73, 1,544.57 and 482.52

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Solution

The fourth proportional to 1,029.73, 1,544.57 and 482.52 is: 723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.73 : 1,544.57 = 482.52 : x
  2. Step 2: Convert to fraction form
    1,029.73/1,544.57 = 482.52/x
  3. Step 3: Cross multiply
    1,029.73x = 1,544.57 × 482.52
  4. Step 4: Simplify right side
    1,029.73x = 745,291.11
  5. Step 5: Solve for x
    x = 745,291.11/1,029.73
  6. Step 6: Final answer
    x = 723.77

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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.