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Finding the Fourth Proportional to 1,183.46, 1,774.02 and 452.66

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Solution

The fourth proportional to 1,183.46, 1,774.02 and 452.66 is: 678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.46 : 1,774.02 = 452.66 : x
  2. Step 2: Convert to fraction form
    1,183.46/1,774.02 = 452.66/x
  3. Step 3: Cross multiply
    1,183.46x = 1,774.02 × 452.66
  4. Step 4: Simplify right side
    1,183.46x = 803,027.89
  5. Step 5: Solve for x
    x = 803,027.89/1,183.46
  6. Step 6: Final answer
    x = 678.54

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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.