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Finding the Fourth Proportional to 297,270,002.80, 445,905,004.20 and 297,270,002.80

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Solution

The fourth proportional to 297,270,002.80, 445,905,004.20 and 297,270,002.80 is: 445,905,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,270,002.80 : 445,905,004.20 = 297,270,002.80 : x
  2. Step 2: Convert to fraction form
    297,270,002.80/445,905,004.20 = 297,270,002.80/x
  3. Step 3: Cross multiply
    297,270,002.80x = 445,905,004.20 × 297,270,002.80
  4. Step 4: Simplify right side
    297,270,002.80x = 132,554,181,847,068,016
  5. Step 5: Solve for x
    x = 132,554,181,847,068,016/297,270,002.80
  6. Step 6: Final answer
    x = 445,905,004.20

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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.