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Finding the Fourth Proportional to 1,175.88, 1,764.03 and 482.93

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Solution

The fourth proportional to 1,175.88, 1,764.03 and 482.93 is: 724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.88 : 1,764.03 = 482.93 : x
  2. Step 2: Convert to fraction form
    1,175.88/1,764.03 = 482.93/x
  3. Step 3: Cross multiply
    1,175.88x = 1,764.03 × 482.93
  4. Step 4: Simplify right side
    1,175.88x = 851,891.77
  5. Step 5: Solve for x
    x = 851,891.77/1,175.88
  6. Step 6: Final answer
    x = 724.47

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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.