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Finding the Fourth Proportional to 1,194.56, 1,792.04 and 579.36

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Solution

The fourth proportional to 1,194.56, 1,792.04 and 579.36 is: 869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.56 : 1,792.04 = 579.36 : x
  2. Step 2: Convert to fraction form
    1,194.56/1,792.04 = 579.36/x
  3. Step 3: Cross multiply
    1,194.56x = 1,792.04 × 579.36
  4. Step 4: Simplify right side
    1,194.56x = 1,038,236.29
  5. Step 5: Solve for x
    x = 1,038,236.29/1,194.56
  6. Step 6: Final answer
    x = 869.14

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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.