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Finding the Fourth Proportional to 1,169.52, 1,754.60 and 400.08

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Solution

The fourth proportional to 1,169.52, 1,754.60 and 400.08 is: 600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.52 : 1,754.60 = 400.08 : x
  2. Step 2: Convert to fraction form
    1,169.52/1,754.60 = 400.08/x
  3. Step 3: Cross multiply
    1,169.52x = 1,754.60 × 400.08
  4. Step 4: Simplify right side
    1,169.52x = 701,980.37
  5. Step 5: Solve for x
    x = 701,980.37/1,169.52
  6. Step 6: Final answer
    x = 600.23

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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.