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Finding the Fourth Proportional to 332.96, 502.35 and 330.23

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Solution

The fourth proportional to 332.96, 502.35 and 330.23 is: 498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.96 : 502.35 = 330.23 : x
  2. Step 2: Convert to fraction form
    332.96/502.35 = 330.23/x
  3. Step 3: Cross multiply
    332.96x = 502.35 × 330.23
  4. Step 4: Simplify right side
    332.96x = 165,888.53
  5. Step 5: Solve for x
    x = 165,888.53/332.96
  6. Step 6: Final answer
    x = 498.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.