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Finding the Fourth Proportional to 298,604.40, 447,906.60 and 296,530.80

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Solution

The fourth proportional to 298,604.40, 447,906.60 and 296,530.80 is: 444,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,604.40 : 447,906.60 = 296,530.80 : x
  2. Step 2: Convert to fraction form
    298,604.40/447,906.60 = 296,530.80/x
  3. Step 3: Cross multiply
    298,604.40x = 447,906.60 × 296,530.80
  4. Step 4: Simplify right side
    298,604.40x = 132,818,102,423.28
  5. Step 5: Solve for x
    x = 132,818,102,423.28/298,604.40
  6. Step 6: Final answer
    x = 444,796.20

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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.