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Finding the Fourth Proportional to 1,195.22, 1,792.02 and 609.50

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Solution

The fourth proportional to 1,195.22, 1,792.02 and 609.50 is: 913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.22 : 1,792.02 = 609.50 : x
  2. Step 2: Convert to fraction form
    1,195.22/1,792.02 = 609.50/x
  3. Step 3: Cross multiply
    1,195.22x = 1,792.02 × 609.50
  4. Step 4: Simplify right side
    1,195.22x = 1,092,236.19
  5. Step 5: Solve for x
    x = 1,092,236.19/1,195.22
  6. Step 6: Final answer
    x = 913.84

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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.