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Finding the Fourth Proportional to 1,194.88, 1,792.34 and 425.36

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Solution

The fourth proportional to 1,194.88, 1,792.34 and 425.36 is: 638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.88 : 1,792.34 = 425.36 : x
  2. Step 2: Convert to fraction form
    1,194.88/1,792.34 = 425.36/x
  3. Step 3: Cross multiply
    1,194.88x = 1,792.34 × 425.36
  4. Step 4: Simplify right side
    1,194.88x = 762,389.74
  5. Step 5: Solve for x
    x = 762,389.74/1,194.88
  6. Step 6: Final answer
    x = 638.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.