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Finding the Fourth Proportional to 1,136.01, 1,704.29 and 477.53

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Solution

The fourth proportional to 1,136.01, 1,704.29 and 477.53 is: 716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.01 : 1,704.29 = 477.53 : x
  2. Step 2: Convert to fraction form
    1,136.01/1,704.29 = 477.53/x
  3. Step 3: Cross multiply
    1,136.01x = 1,704.29 × 477.53
  4. Step 4: Simplify right side
    1,136.01x = 813,849.60
  5. Step 5: Solve for x
    x = 813,849.60/1,136.01
  6. Step 6: Final answer
    x = 716.41

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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.