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Finding the Fourth Proportional to 1,136.04, 1,707.12 and 616.42

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Solution

The fourth proportional to 1,136.04, 1,707.12 and 616.42 is: 926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.04 : 1,707.12 = 616.42 : x
  2. Step 2: Convert to fraction form
    1,136.04/1,707.12 = 616.42/x
  3. Step 3: Cross multiply
    1,136.04x = 1,707.12 × 616.42
  4. Step 4: Simplify right side
    1,136.04x = 1,052,302.91
  5. Step 5: Solve for x
    x = 1,052,302.91/1,136.04
  6. Step 6: Final answer
    x = 926.29

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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.