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Finding the Fourth Proportional to 613,281.38, 846,336.31 and 337,671.28

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Solution

The fourth proportional to 613,281.38, 846,336.31 and 337,671.28 is: 465,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,281.38 : 846,336.31 = 337,671.28 : x
  2. Step 2: Convert to fraction form
    613,281.38/846,336.31 = 337,671.28/x
  3. Step 3: Cross multiply
    613,281.38x = 846,336.31 × 337,671.28
  4. Step 4: Simplify right side
    613,281.38x = 285,783,467,221.32
  5. Step 5: Solve for x
    x = 285,783,467,221.32/613,281.38
  6. Step 6: Final answer
    x = 465,990.78

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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.