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Finding the Fourth Proportional to 451,015.92, 676,523.88 and 118,566

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Solution

The fourth proportional to 451,015.92, 676,523.88 and 118,566 is: 177,849

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,015.92 : 676,523.88 = 118,566 : x
  2. Step 2: Convert to fraction form
    451,015.92/676,523.88 = 118,566/x
  3. Step 3: Cross multiply
    451,015.92x = 676,523.88 × 118,566
  4. Step 4: Simplify right side
    451,015.92x = 80,212,730,356.08
  5. Step 5: Solve for x
    x = 80,212,730,356.08/451,015.92
  6. Step 6: Final answer
    x = 177,849

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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.