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Finding the Fourth Proportional to 295,552.70, 443,329.05 and 206,906.30

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Solution

The fourth proportional to 295,552.70, 443,329.05 and 206,906.30 is: 310,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,552.70 : 443,329.05 = 206,906.30 : x
  2. Step 2: Convert to fraction form
    295,552.70/443,329.05 = 206,906.30/x
  3. Step 3: Cross multiply
    295,552.70x = 443,329.05 × 206,906.30
  4. Step 4: Simplify right side
    295,552.70x = 91,727,573,418.02
  5. Step 5: Solve for x
    x = 91,727,573,418.02/295,552.70
  6. Step 6: Final answer
    x = 310,359.45

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1.5x scale

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.