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Finding the Fourth Proportional to 433.26, 597.94 and 256.24

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Solution

The fourth proportional to 433.26, 597.94 and 256.24 is: 353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.26 : 597.94 = 256.24 : x
  2. Step 2: Convert to fraction form
    433.26/597.94 = 256.24/x
  3. Step 3: Cross multiply
    433.26x = 597.94 × 256.24
  4. Step 4: Simplify right side
    433.26x = 153,216.15
  5. Step 5: Solve for x
    x = 153,216.15/433.26
  6. Step 6: Final answer
    x = 353.64

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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.