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Finding the Fourth Proportional to 567,589,619.20, 851,384,428.80 and 567,589,619.20

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Solution

The fourth proportional to 567,589,619.20, 851,384,428.80 and 567,589,619.20 is: 851,384,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,589,619.20 : 851,384,428.80 = 567,589,619.20 : x
  2. Step 2: Convert to fraction form
    567,589,619.20/851,384,428.80 = 567,589,619.20/x
  3. Step 3: Cross multiply
    567,589,619.20x = 851,384,428.80 × 567,589,619.20
  4. Step 4: Simplify right side
    567,589,619.20x = 483,236,963,735,401,536
  5. Step 5: Solve for x
    x = 483,236,963,735,401,536/567,589,619.20
  6. Step 6: Final answer
    x = 851,384,428.80

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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.