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Finding the Fourth Proportional to 1,176.06, 1,764.03 and 354.33

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Solution

The fourth proportional to 1,176.06, 1,764.03 and 354.33 is: 531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.06 : 1,764.03 = 354.33 : x
  2. Step 2: Convert to fraction form
    1,176.06/1,764.03 = 354.33/x
  3. Step 3: Cross multiply
    1,176.06x = 1,764.03 × 354.33
  4. Step 4: Simplify right side
    1,176.06x = 625,048.75
  5. Step 5: Solve for x
    x = 625,048.75/1,176.06
  6. Step 6: Final answer
    x = 531.48

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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.