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Finding the Fourth Proportional to 298,162.17, 447,152.22 and 84,947.49

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Solution

The fourth proportional to 298,162.17, 447,152.22 and 84,947.49 is: 127,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,162.17 : 447,152.22 = 84,947.49 : x
  2. Step 2: Convert to fraction form
    298,162.17/447,152.22 = 84,947.49/x
  3. Step 3: Cross multiply
    298,162.17x = 447,152.22 × 84,947.49
  4. Step 4: Simplify right side
    298,162.17x = 37,984,458,736.93
  5. Step 5: Solve for x
    x = 37,984,458,736.93/298,162.17
  6. Step 6: Final answer
    x = 127,395.30

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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.