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Finding the Fourth Proportional to 363,115.56, 500,976.44 and 259,662.36

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Solution

The fourth proportional to 363,115.56, 500,976.44 and 259,662.36 is: 358,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,115.56 : 500,976.44 = 259,662.36 : x
  2. Step 2: Convert to fraction form
    363,115.56/500,976.44 = 259,662.36/x
  3. Step 3: Cross multiply
    363,115.56x = 500,976.44 × 259,662.36
  4. Step 4: Simplify right side
    363,115.56x = 130,084,724,714.80
  5. Step 5: Solve for x
    x = 130,084,724,714.80/363,115.56
  6. Step 6: Final answer
    x = 358,246.08

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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.