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Finding the Fourth Proportional to 633,743.70, 950,759.55 and 213,062.10

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Solution

The fourth proportional to 633,743.70, 950,759.55 and 213,062.10 is: 319,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,743.70 : 950,759.55 = 213,062.10 : x
  2. Step 2: Convert to fraction form
    633,743.70/950,759.55 = 213,062.10/x
  3. Step 3: Cross multiply
    633,743.70x = 950,759.55 × 213,062.10
  4. Step 4: Simplify right side
    633,743.70x = 202,570,826,318.06
  5. Step 5: Solve for x
    x = 202,570,826,318.06/633,743.70
  6. Step 6: Final answer
    x = 319,641.56

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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.