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Finding the Fourth Proportional to 298,331.93, 447,359.15 and 108,660.25

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Solution

The fourth proportional to 298,331.93, 447,359.15 and 108,660.25 is: 162,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,331.93 : 447,359.15 = 108,660.25 : x
  2. Step 2: Convert to fraction form
    298,331.93/447,359.15 = 108,660.25/x
  3. Step 3: Cross multiply
    298,331.93x = 447,359.15 × 108,660.25
  4. Step 4: Simplify right side
    298,331.93x = 48,610,156,232.04
  5. Step 5: Solve for x
    x = 48,610,156,232.04/298,331.93
  6. Step 6: Final answer
    x = 162,939.84

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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.