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Finding the Fourth Proportional to 1,496.45, 2,244.80 and 456.43

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Solution

The fourth proportional to 1,496.45, 2,244.80 and 456.43 is: 684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.45 : 2,244.80 = 456.43 : x
  2. Step 2: Convert to fraction form
    1,496.45/2,244.80 = 456.43/x
  3. Step 3: Cross multiply
    1,496.45x = 2,244.80 × 456.43
  4. Step 4: Simplify right side
    1,496.45x = 1,024,594.06
  5. Step 5: Solve for x
    x = 1,024,594.06/1,496.45
  6. Step 6: Final answer
    x = 684.68

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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.