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Finding the Fourth Proportional to 298,276.97, 447,416.39 and 73,637.43

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Solution

The fourth proportional to 298,276.97, 447,416.39 and 73,637.43 is: 110,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,276.97 : 447,416.39 = 73,637.43 : x
  2. Step 2: Convert to fraction form
    298,276.97/447,416.39 = 73,637.43/x
  3. Step 3: Cross multiply
    298,276.97x = 447,416.39 × 73,637.43
  4. Step 4: Simplify right side
    298,276.97x = 32,946,592,869.36
  5. Step 5: Solve for x
    x = 32,946,592,869.36/298,276.97
  6. Step 6: Final answer
    x = 110,456.37

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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.