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Finding the Fourth Proportional to 335,141.96, 462,965.88 and 304,873.88

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Solution

The fourth proportional to 335,141.96, 462,965.88 and 304,873.88 is: 421,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,141.96 : 462,965.88 = 304,873.88 : x
  2. Step 2: Convert to fraction form
    335,141.96/462,965.88 = 304,873.88/x
  3. Step 3: Cross multiply
    335,141.96x = 462,965.88 × 304,873.88
  4. Step 4: Simplify right side
    335,141.96x = 141,146,204,143.21
  5. Step 5: Solve for x
    x = 141,146,204,143.21/335,141.96
  6. Step 6: Final answer
    x = 421,153.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.