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Finding the Fourth Proportional to 339,436.96, 468,036.52 and 216,764.08

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Solution

The fourth proportional to 339,436.96, 468,036.52 and 216,764.08 is: 298,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,436.96 : 468,036.52 = 216,764.08 : x
  2. Step 2: Convert to fraction form
    339,436.96/468,036.52 = 216,764.08/x
  3. Step 3: Cross multiply
    339,436.96x = 468,036.52 × 216,764.08
  4. Step 4: Simplify right side
    339,436.96x = 101,453,505,664.20
  5. Step 5: Solve for x
    x = 101,453,505,664.20/339,436.96
  6. Step 6: Final answer
    x = 298,887.62

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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.