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Finding the Fourth Proportional to 403.64, 556.93 and 244.12

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Solution

The fourth proportional to 403.64, 556.93 and 244.12 is: 336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.64 : 556.93 = 244.12 : x
  2. Step 2: Convert to fraction form
    403.64/556.93 = 244.12/x
  3. Step 3: Cross multiply
    403.64x = 556.93 × 244.12
  4. Step 4: Simplify right side
    403.64x = 135,957.75
  5. Step 5: Solve for x
    x = 135,957.75/403.64
  6. Step 6: Final answer
    x = 336.83

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Why These Related Problems?

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