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Finding the Fourth Proportional to 433.70, 598.50 and 237.21

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Solution

The fourth proportional to 433.70, 598.50 and 237.21 is: 327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.70 : 598.50 = 237.21 : x
  2. Step 2: Convert to fraction form
    433.70/598.50 = 237.21/x
  3. Step 3: Cross multiply
    433.70x = 598.50 × 237.21
  4. Step 4: Simplify right side
    433.70x = 141,970.19
  5. Step 5: Solve for x
    x = 141,970.19/433.70
  6. Step 6: Final answer
    x = 327.35

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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.