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Finding the Fourth Proportional to 230,650.41, 318,014.78 and 189,671.33

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Solution

The fourth proportional to 230,650.41, 318,014.78 and 189,671.33 is: 261,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,650.41 : 318,014.78 = 189,671.33 : x
  2. Step 2: Convert to fraction form
    230,650.41/318,014.78 = 189,671.33/x
  3. Step 3: Cross multiply
    230,650.41x = 318,014.78 × 189,671.33
  4. Step 4: Simplify right side
    230,650.41x = 60,318,288,176.50
  5. Step 5: Solve for x
    x = 60,318,288,176.50/230,650.41
  6. Step 6: Final answer
    x = 261,513.90

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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.