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Finding the Fourth Proportional to 1,136.06, 1,703.90 and 469.04

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Solution

The fourth proportional to 1,136.06, 1,703.90 and 469.04 is: 703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.06 : 1,703.90 = 469.04 : x
  2. Step 2: Convert to fraction form
    1,136.06/1,703.90 = 469.04/x
  3. Step 3: Cross multiply
    1,136.06x = 1,703.90 × 469.04
  4. Step 4: Simplify right side
    1,136.06x = 799,197.26
  5. Step 5: Solve for x
    x = 799,197.26/1,136.06
  6. Step 6: Final answer
    x = 703.48

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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.