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Finding the Fourth Proportional to 335.59, 503.15 and 162

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Solution

The fourth proportional to 335.59, 503.15 and 162 is: 242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.59 : 503.15 = 162 : x
  2. Step 2: Convert to fraction form
    335.59/503.15 = 162/x
  3. Step 3: Cross multiply
    335.59x = 503.15 × 162
  4. Step 4: Simplify right side
    335.59x = 81,510.30
  5. Step 5: Solve for x
    x = 81,510.30/335.59
  6. Step 6: Final answer
    x = 242.89

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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.