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Finding the Fourth Proportional to 1,169.06, 1,753.92 and 347.37

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Solution

The fourth proportional to 1,169.06, 1,753.92 and 347.37 is: 521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.06 : 1,753.92 = 347.37 : x
  2. Step 2: Convert to fraction form
    1,169.06/1,753.92 = 347.37/x
  3. Step 3: Cross multiply
    1,169.06x = 1,753.92 × 347.37
  4. Step 4: Simplify right side
    1,169.06x = 609,252.61
  5. Step 5: Solve for x
    x = 609,252.61/1,169.06
  6. Step 6: Final answer
    x = 521.15

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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.