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Finding the Fourth Proportional to 335,667.36, 503,327.70 and 98,979.96

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Solution

The fourth proportional to 335,667.36, 503,327.70 and 98,979.96 is: 148,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,667.36 : 503,327.70 = 98,979.96 : x
  2. Step 2: Convert to fraction form
    335,667.36/503,327.70 = 98,979.96/x
  3. Step 3: Cross multiply
    335,667.36x = 503,327.70 × 98,979.96
  4. Step 4: Simplify right side
    335,667.36x = 49,819,355,612.89
  5. Step 5: Solve for x
    x = 49,819,355,612.89/335,667.36
  6. Step 6: Final answer
    x = 148,418.83

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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.