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Finding the Fourth Proportional to 607,906.95, 911,861.15 and 158,627.49

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Solution

The fourth proportional to 607,906.95, 911,861.15 and 158,627.49 is: 237,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,906.95 : 911,861.15 = 158,627.49 : x
  2. Step 2: Convert to fraction form
    607,906.95/911,861.15 = 158,627.49/x
  3. Step 3: Cross multiply
    607,906.95x = 911,861.15 × 158,627.49
  4. Step 4: Simplify right side
    607,906.95x = 144,646,244,659.88
  5. Step 5: Solve for x
    x = 144,646,244,659.88/607,906.95
  6. Step 6: Final answer
    x = 237,941.42

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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.