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Finding the Fourth Proportional to 1,083.79, 1,624.30 and 466.75

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Solution

The fourth proportional to 1,083.79, 1,624.30 and 466.75 is: 699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.79 : 1,624.30 = 466.75 : x
  2. Step 2: Convert to fraction form
    1,083.79/1,624.30 = 466.75/x
  3. Step 3: Cross multiply
    1,083.79x = 1,624.30 × 466.75
  4. Step 4: Simplify right side
    1,083.79x = 758,142.03
  5. Step 5: Solve for x
    x = 758,142.03/1,083.79
  6. Step 6: Final answer
    x = 699.53

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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.