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Finding the Fourth Proportional to 1,082.90, 1,624.39 and 466.16

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Solution

The fourth proportional to 1,082.90, 1,624.39 and 466.16 is: 699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.90 : 1,624.39 = 466.16 : x
  2. Step 2: Convert to fraction form
    1,082.90/1,624.39 = 466.16/x
  3. Step 3: Cross multiply
    1,082.90x = 1,624.39 × 466.16
  4. Step 4: Simplify right side
    1,082.90x = 757,216.36
  5. Step 5: Solve for x
    x = 757,216.36/1,082.90
  6. Step 6: Final answer
    x = 699.25

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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.