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Finding the Fourth Proportional to 454,406.96, 681,608.37 and 117,418.97

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Solution

The fourth proportional to 454,406.96, 681,608.37 and 117,418.97 is: 176,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,406.96 : 681,608.37 = 117,418.97 : x
  2. Step 2: Convert to fraction form
    454,406.96/681,608.37 = 117,418.97/x
  3. Step 3: Cross multiply
    454,406.96x = 681,608.37 × 117,418.97
  4. Step 4: Simplify right side
    454,406.96x = 80,033,750,398.59
  5. Step 5: Solve for x
    x = 80,033,750,398.59/454,406.96
  6. Step 6: Final answer
    x = 176,127.91

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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.