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Finding the Fourth Proportional to 433.19, 597.81 and 236.70

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Solution

The fourth proportional to 433.19, 597.81 and 236.70 is: 326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.19 : 597.81 = 236.70 : x
  2. Step 2: Convert to fraction form
    433.19/597.81 = 236.70/x
  3. Step 3: Cross multiply
    433.19x = 597.81 × 236.70
  4. Step 4: Simplify right side
    433.19x = 141,501.63
  5. Step 5: Solve for x
    x = 141,501.63/433.19
  6. Step 6: Final answer
    x = 326.65

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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.