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Finding the Fourth Proportional to 332.76, 499.04 and 159.51

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Solution

The fourth proportional to 332.76, 499.04 and 159.51 is: 239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.76 : 499.04 = 159.51 : x
  2. Step 2: Convert to fraction form
    332.76/499.04 = 159.51/x
  3. Step 3: Cross multiply
    332.76x = 499.04 × 159.51
  4. Step 4: Simplify right side
    332.76x = 79,601.07
  5. Step 5: Solve for x
    x = 79,601.07/332.76
  6. Step 6: Final answer
    x = 239.21

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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.