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Finding the Fourth Proportional to 225,808,216.20, 338,712,324.30 and 225,808,216.20

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Solution

The fourth proportional to 225,808,216.20, 338,712,324.30 and 225,808,216.20 is: 338,712,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,808,216.20 : 338,712,324.30 = 225,808,216.20 : x
  2. Step 2: Convert to fraction form
    225,808,216.20/338,712,324.30 = 225,808,216.20/x
  3. Step 3: Cross multiply
    225,808,216.20x = 338,712,324.30 × 225,808,216.20
  4. Step 4: Simplify right side
    225,808,216.20x = 76,484,025,755,138,912
  5. Step 5: Solve for x
    x = 76,484,025,755,138,912/225,808,216.20
  6. Step 6: Final answer
    x = 338,712,324.30

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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.