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Finding the Fourth Proportional to 1,083.25, 1,624.98 and 352.73

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Solution

The fourth proportional to 1,083.25, 1,624.98 and 352.73 is: 529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.25 : 1,624.98 = 352.73 : x
  2. Step 2: Convert to fraction form
    1,083.25/1,624.98 = 352.73/x
  3. Step 3: Cross multiply
    1,083.25x = 1,624.98 × 352.73
  4. Step 4: Simplify right side
    1,083.25x = 573,173.98
  5. Step 5: Solve for x
    x = 573,173.98/1,083.25
  6. Step 6: Final answer
    x = 529.13

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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.