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Finding the Fourth Proportional to 1,176.80, 1,764.03 and 590.02

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Solution

The fourth proportional to 1,176.80, 1,764.03 and 590.02 is: 884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.80 : 1,764.03 = 590.02 : x
  2. Step 2: Convert to fraction form
    1,176.80/1,764.03 = 590.02/x
  3. Step 3: Cross multiply
    1,176.80x = 1,764.03 × 590.02
  4. Step 4: Simplify right side
    1,176.80x = 1,040,804.16
  5. Step 5: Solve for x
    x = 1,040,804.16/1,176.80
  6. Step 6: Final answer
    x = 884.44

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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.