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Finding the Fourth Proportional to 403.57, 556.94 and 237.83

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Solution

The fourth proportional to 403.57, 556.94 and 237.83 is: 328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.57 : 556.94 = 237.83 : x
  2. Step 2: Convert to fraction form
    403.57/556.94 = 237.83/x
  3. Step 3: Cross multiply
    403.57x = 556.94 × 237.83
  4. Step 4: Simplify right side
    403.57x = 132,453.51
  5. Step 5: Solve for x
    x = 132,453.51/403.57
  6. Step 6: Final answer
    x = 328.20

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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.