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Finding the Fourth Proportional to 219,212.23, 328,827.92 and 69,463.56

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Solution

The fourth proportional to 219,212.23, 328,827.92 and 69,463.56 is: 104,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,212.23 : 328,827.92 = 69,463.56 : x
  2. Step 2: Convert to fraction form
    219,212.23/328,827.92 = 69,463.56/x
  3. Step 3: Cross multiply
    219,212.23x = 328,827.92 × 69,463.56
  4. Step 4: Simplify right side
    219,212.23x = 22,841,557,950.60
  5. Step 5: Solve for x
    x = 22,841,557,950.60/219,212.23
  6. Step 6: Final answer
    x = 104,198.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.