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Finding the Fourth Proportional to 606,212.06, 909,318.15 and 336,505.82

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Solution

The fourth proportional to 606,212.06, 909,318.15 and 336,505.82 is: 504,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,212.06 : 909,318.15 = 336,505.82 : x
  2. Step 2: Convert to fraction form
    606,212.06/909,318.15 = 336,505.82/x
  3. Step 3: Cross multiply
    606,212.06x = 909,318.15 × 336,505.82
  4. Step 4: Simplify right side
    606,212.06x = 305,990,845,160.04
  5. Step 5: Solve for x
    x = 305,990,845,160.04/606,212.06
  6. Step 6: Final answer
    x = 504,758.76

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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.