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Finding the Fourth Proportional to 335,402.56, 462,788.40 and 192,207.52

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Solution

The fourth proportional to 335,402.56, 462,788.40 and 192,207.52 is: 265,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,402.56 : 462,788.40 = 192,207.52 : x
  2. Step 2: Convert to fraction form
    335,402.56/462,788.40 = 192,207.52/x
  3. Step 3: Cross multiply
    335,402.56x = 462,788.40 × 192,207.52
  4. Step 4: Simplify right side
    335,402.56x = 88,951,410,648.77
  5. Step 5: Solve for x
    x = 88,951,410,648.77/335,402.56
  6. Step 6: Final answer
    x = 265,207.91

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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.