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Finding the Fourth Proportional to 332.76, 498.88 and 202.79

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Solution

The fourth proportional to 332.76, 498.88 and 202.79 is: 304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.76 : 498.88 = 202.79 : x
  2. Step 2: Convert to fraction form
    332.76/498.88 = 202.79/x
  3. Step 3: Cross multiply
    332.76x = 498.88 × 202.79
  4. Step 4: Simplify right side
    332.76x = 101,167.88
  5. Step 5: Solve for x
    x = 101,167.88/332.76
  6. Step 6: Final answer
    x = 304.03

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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.