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Finding the Fourth Proportional to 1,116.99, 1,675.43 and 532.41

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Solution

The fourth proportional to 1,116.99, 1,675.43 and 532.41 is: 798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.99 : 1,675.43 = 532.41 : x
  2. Step 2: Convert to fraction form
    1,116.99/1,675.43 = 532.41/x
  3. Step 3: Cross multiply
    1,116.99x = 1,675.43 × 532.41
  4. Step 4: Simplify right side
    1,116.99x = 892,015.69
  5. Step 5: Solve for x
    x = 892,015.69/1,116.99
  6. Step 6: Final answer
    x = 798.59

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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.