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Finding the Fourth Proportional to 1,169.43, 1,753.53 and 583.80

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Solution

The fourth proportional to 1,169.43, 1,753.53 and 583.80 is: 875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.43 : 1,753.53 = 583.80 : x
  2. Step 2: Convert to fraction form
    1,169.43/1,753.53 = 583.80/x
  3. Step 3: Cross multiply
    1,169.43x = 1,753.53 × 583.80
  4. Step 4: Simplify right side
    1,169.43x = 1,023,710.81
  5. Step 5: Solve for x
    x = 1,023,710.81/1,169.43
  6. Step 6: Final answer
    x = 875.39

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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.