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Finding the Fourth Proportional to 613,281.75, 846,336.83 and 337,671.66

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Solution

The fourth proportional to 613,281.75, 846,336.83 and 337,671.66 is: 465,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,281.75 : 846,336.83 = 337,671.66 : x
  2. Step 2: Convert to fraction form
    613,281.75/846,336.83 = 337,671.66/x
  3. Step 3: Cross multiply
    613,281.75x = 846,336.83 × 337,671.66
  4. Step 4: Simplify right side
    613,281.75x = 285,783,959,975.65
  5. Step 5: Solve for x
    x = 285,783,959,975.65/613,281.75
  6. Step 6: Final answer
    x = 465,991.30

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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.