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Finding the Fourth Proportional to 298,044.20, 447,066.30 and 298,044.20

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Solution

The fourth proportional to 298,044.20, 447,066.30 and 298,044.20 is: 447,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,044.20 : 447,066.30 = 298,044.20 : x
  2. Step 2: Convert to fraction form
    298,044.20/447,066.30 = 298,044.20/x
  3. Step 3: Cross multiply
    298,044.20x = 447,066.30 × 298,044.20
  4. Step 4: Simplify right side
    298,044.20x = 133,245,517,730.46
  5. Step 5: Solve for x
    x = 133,245,517,730.46/298,044.20
  6. Step 6: Final answer
    x = 447,066.30

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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.