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Finding the Fourth Proportional to 1,455.66, 2,183.46 and 360.03

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Solution

The fourth proportional to 1,455.66, 2,183.46 and 360.03 is: 540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.66 : 2,183.46 = 360.03 : x
  2. Step 2: Convert to fraction form
    1,455.66/2,183.46 = 360.03/x
  3. Step 3: Cross multiply
    1,455.66x = 2,183.46 × 360.03
  4. Step 4: Simplify right side
    1,455.66x = 786,111.10
  5. Step 5: Solve for x
    x = 786,111.10/1,455.66
  6. Step 6: Final answer
    x = 540.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.