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Finding the Fourth Proportional to 332.10, 496.82 and 286.94

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Solution

The fourth proportional to 332.10, 496.82 and 286.94 is: 429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.10 : 496.82 = 286.94 : x
  2. Step 2: Convert to fraction form
    332.10/496.82 = 286.94/x
  3. Step 3: Cross multiply
    332.10x = 496.82 × 286.94
  4. Step 4: Simplify right side
    332.10x = 142,557.53
  5. Step 5: Solve for x
    x = 142,557.53/332.10
  6. Step 6: Final answer
    x = 429.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.