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Finding the Fourth Proportional to 433.18, 597.22 and 354.42

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Solution

The fourth proportional to 433.18, 597.22 and 354.42 is: 488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.18 : 597.22 = 354.42 : x
  2. Step 2: Convert to fraction form
    433.18/597.22 = 354.42/x
  3. Step 3: Cross multiply
    433.18x = 597.22 × 354.42
  4. Step 4: Simplify right side
    433.18x = 211,666.71
  5. Step 5: Solve for x
    x = 211,666.71/433.18
  6. Step 6: Final answer
    x = 488.63

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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.