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Finding the Fourth Proportional to 335,367.20, 502,996.11 and 98,654.51

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Solution

The fourth proportional to 335,367.20, 502,996.11 and 98,654.51 is: 147,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,367.20 : 502,996.11 = 98,654.51 : x
  2. Step 2: Convert to fraction form
    335,367.20/502,996.11 = 98,654.51/x
  3. Step 3: Cross multiply
    335,367.20x = 502,996.11 × 98,654.51
  4. Step 4: Simplify right side
    335,367.20x = 49,622,834,763.96
  5. Step 5: Solve for x
    x = 49,622,834,763.96/335,367.20
  6. Step 6: Final answer
    x = 147,965.68

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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.