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Finding the Fourth Proportional to 1,496.42, 2,244.60 and 456.40

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Solution

The fourth proportional to 1,496.42, 2,244.60 and 456.40 is: 684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.42 : 2,244.60 = 456.40 : x
  2. Step 2: Convert to fraction form
    1,496.42/2,244.60 = 456.40/x
  3. Step 3: Cross multiply
    1,496.42x = 2,244.60 × 456.40
  4. Step 4: Simplify right side
    1,496.42x = 1,024,435.44
  5. Step 5: Solve for x
    x = 1,024,435.44/1,496.42
  6. Step 6: Final answer
    x = 684.59

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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.