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Finding the Fourth Proportional to 607,685.56, 911,508.73 and 181,224.88

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Solution

The fourth proportional to 607,685.56, 911,508.73 and 181,224.88 is: 271,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,685.56 : 911,508.73 = 181,224.88 : x
  2. Step 2: Convert to fraction form
    607,685.56/911,508.73 = 181,224.88/x
  3. Step 3: Cross multiply
    607,685.56x = 911,508.73 × 181,224.88
  4. Step 4: Simplify right side
    607,685.56x = 165,188,057,481.37
  5. Step 5: Solve for x
    x = 165,188,057,481.37/607,685.56
  6. Step 6: Final answer
    x = 271,831.47

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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.