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Finding the Fourth Proportional to 606,287.53, 909,181.07 and 206,960.50

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Solution

The fourth proportional to 606,287.53, 909,181.07 and 206,960.50 is: 310,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,287.53 : 909,181.07 = 206,960.50 : x
  2. Step 2: Convert to fraction form
    606,287.53/909,181.07 = 206,960.50/x
  3. Step 3: Cross multiply
    606,287.53x = 909,181.07 × 206,960.50
  4. Step 4: Simplify right side
    606,287.53x = 188,164,563,257.03
  5. Step 5: Solve for x
    x = 188,164,563,257.03/606,287.53
  6. Step 6: Final answer
    x = 310,355.33

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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.