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Finding the Fourth Proportional to 339,501.78, 468,336.79 and 230,611.73

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Solution

The fourth proportional to 339,501.78, 468,336.79 and 230,611.73 is: 318,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,501.78 : 468,336.79 = 230,611.73 : x
  2. Step 2: Convert to fraction form
    339,501.78/468,336.79 = 230,611.73/x
  3. Step 3: Cross multiply
    339,501.78x = 468,336.79 × 230,611.73
  4. Step 4: Simplify right side
    339,501.78x = 108,003,957,965.53
  5. Step 5: Solve for x
    x = 108,003,957,965.53/339,501.78
  6. Step 6: Final answer
    x = 318,124.87

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1.5x scale

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.