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Finding the Fourth Proportional to 332.15, 497.95 and 203.63

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Solution

The fourth proportional to 332.15, 497.95 and 203.63 is: 305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.15 : 497.95 = 203.63 : x
  2. Step 2: Convert to fraction form
    332.15/497.95 = 203.63/x
  3. Step 3: Cross multiply
    332.15x = 497.95 × 203.63
  4. Step 4: Simplify right side
    332.15x = 101,394.56
  5. Step 5: Solve for x
    x = 101,394.56/332.15
  6. Step 6: Final answer
    x = 305.27

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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.