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Finding the Fourth Proportional to 339,618.24, 468,700.80 and 219,010.56

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Solution

The fourth proportional to 339,618.24, 468,700.80 and 219,010.56 is: 302,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,618.24 : 468,700.80 = 219,010.56 : x
  2. Step 2: Convert to fraction form
    339,618.24/468,700.80 = 219,010.56/x
  3. Step 3: Cross multiply
    339,618.24x = 468,700.80 × 219,010.56
  4. Step 4: Simplify right side
    339,618.24x = 102,650,424,680.45
  5. Step 5: Solve for x
    x = 102,650,424,680.45/339,618.24
  6. Step 6: Final answer
    x = 302,252.39

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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.