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Finding the Fourth Proportional to 1,456.53, 2,185.23 and 532.05

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Solution

The fourth proportional to 1,456.53, 2,185.23 and 532.05 is: 798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.53 : 2,185.23 = 532.05 : x
  2. Step 2: Convert to fraction form
    1,456.53/2,185.23 = 532.05/x
  3. Step 3: Cross multiply
    1,456.53x = 2,185.23 × 532.05
  4. Step 4: Simplify right side
    1,456.53x = 1,162,651.62
  5. Step 5: Solve for x
    x = 1,162,651.62/1,456.53
  6. Step 6: Final answer
    x = 798.23

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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.