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Finding the Fourth Proportional to 435,609,892.20, 653,414,838.30 and 435,609,892.20

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Solution

The fourth proportional to 435,609,892.20, 653,414,838.30 and 435,609,892.20 is: 653,414,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,609,892.20 : 653,414,838.30 = 435,609,892.20 : x
  2. Step 2: Convert to fraction form
    435,609,892.20/653,414,838.30 = 435,609,892.20/x
  3. Step 3: Cross multiply
    435,609,892.20x = 653,414,838.30 × 435,609,892.20
  4. Step 4: Simplify right side
    435,609,892.20x = 284,633,967,273,743,392
  5. Step 5: Solve for x
    x = 284,633,967,273,743,392/435,609,892.20
  6. Step 6: Final answer
    x = 653,414,838.30

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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.