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Finding the Fourth Proportional to 606,216.96, 909,325.28 and 206,857.70

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Solution

The fourth proportional to 606,216.96, 909,325.28 and 206,857.70 is: 310,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,216.96 : 909,325.28 = 206,857.70 : x
  2. Step 2: Convert to fraction form
    606,216.96/909,325.28 = 206,857.70/x
  3. Step 3: Cross multiply
    606,216.96x = 909,325.28 × 206,857.70
  4. Step 4: Simplify right side
    606,216.96x = 188,100,935,972.66
  5. Step 5: Solve for x
    x = 188,100,935,972.66/606,216.96
  6. Step 6: Final answer
    x = 310,286.50

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Similar ratio
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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.