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Finding the Fourth Proportional to 335,122.92, 462,490.56 and 191,879.28

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Solution

The fourth proportional to 335,122.92, 462,490.56 and 191,879.28 is: 264,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,122.92 : 462,490.56 = 191,879.28 : x
  2. Step 2: Convert to fraction form
    335,122.92/462,490.56 = 191,879.28/x
  3. Step 3: Cross multiply
    335,122.92x = 462,490.56 × 191,879.28
  4. Step 4: Simplify right side
    335,122.92x = 88,742,355,659.60
  5. Step 5: Solve for x
    x = 88,742,355,659.60/335,122.92
  6. Step 6: Final answer
    x = 264,805.39

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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.