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Finding the Fourth Proportional to 185,647,530.45, 278,471,295.68 and 185,647,530.45

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Solution

The fourth proportional to 185,647,530.45, 278,471,295.68 and 185,647,530.45 is: 278,471,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,647,530.45 : 278,471,295.68 = 185,647,530.45 : x
  2. Step 2: Convert to fraction form
    185,647,530.45/278,471,295.68 = 185,647,530.45/x
  3. Step 3: Cross multiply
    185,647,530.45x = 278,471,295.68 × 185,647,530.45
  4. Step 4: Simplify right side
    185,647,530.45x = 51,697,508,343,275,512
  5. Step 5: Solve for x
    x = 51,697,508,343,275,512/185,647,530.45
  6. Step 6: Final answer
    x = 278,471,295.68

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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.