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Finding the Fourth Proportional to 339,582.32, 468,623.70 and 188,679.32

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Solution

The fourth proportional to 339,582.32, 468,623.70 and 188,679.32 is: 260,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,582.32 : 468,623.70 = 188,679.32 : x
  2. Step 2: Convert to fraction form
    339,582.32/468,623.70 = 188,679.32/x
  3. Step 3: Cross multiply
    339,582.32x = 468,623.70 × 188,679.32
  4. Step 4: Simplify right side
    339,582.32x = 88,419,601,051.88
  5. Step 5: Solve for x
    x = 88,419,601,051.88/339,582.32
  6. Step 6: Final answer
    x = 260,377.52

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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.