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Finding the Fourth Proportional to 239,193,003.20, 358,789,504.80 and 239,193,003.20

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Solution

The fourth proportional to 239,193,003.20, 358,789,504.80 and 239,193,003.20 is: 358,789,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,193,003.20 : 358,789,504.80 = 239,193,003.20 : x
  2. Step 2: Convert to fraction form
    239,193,003.20/358,789,504.80 = 239,193,003.20/x
  3. Step 3: Cross multiply
    239,193,003.20x = 358,789,504.80 × 239,193,003.20
  4. Step 4: Simplify right side
    239,193,003.20x = 85,819,939,169,752,816
  5. Step 5: Solve for x
    x = 85,819,939,169,752,816/239,193,003.20
  6. Step 6: Final answer
    x = 358,789,504.80

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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.