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Finding the Fourth Proportional to 606,185.70, 909,192.15 and 206,844.90

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Solution

The fourth proportional to 606,185.70, 909,192.15 and 206,844.90 is: 310,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,185.70 : 909,192.15 = 206,844.90 : x
  2. Step 2: Convert to fraction form
    606,185.70/909,192.15 = 206,844.90/x
  3. Step 3: Cross multiply
    606,185.70x = 909,192.15 × 206,844.90
  4. Step 4: Simplify right side
    606,185.70x = 188,061,759,347.54
  5. Step 5: Solve for x
    x = 188,061,759,347.54/606,185.70
  6. Step 6: Final answer
    x = 310,237.87

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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.