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Finding the Fourth Proportional to 433.24, 597.62 and 322.76

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Solution

The fourth proportional to 433.24, 597.62 and 322.76 is: 445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.24 : 597.62 = 322.76 : x
  2. Step 2: Convert to fraction form
    433.24/597.62 = 322.76/x
  3. Step 3: Cross multiply
    433.24x = 597.62 × 322.76
  4. Step 4: Simplify right side
    433.24x = 192,887.83
  5. Step 5: Solve for x
    x = 192,887.83/433.24
  6. Step 6: Final answer
    x = 445.22

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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.