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Finding the Fourth Proportional to 1,175.04, 1,763 and 444.80

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Solution

The fourth proportional to 1,175.04, 1,763 and 444.80 is: 667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.04 : 1,763 = 444.80 : x
  2. Step 2: Convert to fraction form
    1,175.04/1,763 = 444.80/x
  3. Step 3: Cross multiply
    1,175.04x = 1,763 × 444.80
  4. Step 4: Simplify right side
    1,175.04x = 784,182.40
  5. Step 5: Solve for x
    x = 784,182.40/1,175.04
  6. Step 6: Final answer
    x = 667.37

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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.