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Finding the Fourth Proportional to 451.19, 622.64 and 244.19

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Solution

The fourth proportional to 451.19, 622.64 and 244.19 is: 336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.19 : 622.64 = 244.19 : x
  2. Step 2: Convert to fraction form
    451.19/622.64 = 244.19/x
  3. Step 3: Cross multiply
    451.19x = 622.64 × 244.19
  4. Step 4: Simplify right side
    451.19x = 152,042.46
  5. Step 5: Solve for x
    x = 152,042.46/451.19
  6. Step 6: Final answer
    x = 336.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.