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Finding the Fourth Proportional to 554.03, 831.42 and 229.39

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Solution

The fourth proportional to 554.03, 831.42 and 229.39 is: 344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.03 : 831.42 = 229.39 : x
  2. Step 2: Convert to fraction form
    554.03/831.42 = 229.39/x
  3. Step 3: Cross multiply
    554.03x = 831.42 × 229.39
  4. Step 4: Simplify right side
    554.03x = 190,719.43
  5. Step 5: Solve for x
    x = 190,719.43/554.03
  6. Step 6: Final answer
    x = 344.24

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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.