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Finding the Fourth Proportional to 606,584.76, 909,984.21 and 207,131.94

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Solution

The fourth proportional to 606,584.76, 909,984.21 and 207,131.94 is: 310,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,584.76 : 909,984.21 = 207,131.94 : x
  2. Step 2: Convert to fraction form
    606,584.76/909,984.21 = 207,131.94/x
  3. Step 3: Cross multiply
    606,584.76x = 909,984.21 × 207,131.94
  4. Step 4: Simplify right side
    606,584.76x = 188,486,794,786.67
  5. Step 5: Solve for x
    x = 188,486,794,786.67/606,584.76
  6. Step 6: Final answer
    x = 310,734.47

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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.