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Finding the Fourth Proportional to 449,352,711.10, 629,943,142.10 and 449,352,711.10

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Solution

The fourth proportional to 449,352,711.10, 629,943,142.10 and 449,352,711.10 is: 629,943,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,352,711.10 : 629,943,142.10 = 449,352,711.10 : x
  2. Step 2: Convert to fraction form
    449,352,711.10/629,943,142.10 = 449,352,711.10/x
  3. Step 3: Cross multiply
    449,352,711.10x = 629,943,142.10 × 449,352,711.10
  4. Step 4: Simplify right side
    449,352,711.10x = 283,066,658,741,487,584
  5. Step 5: Solve for x
    x = 283,066,658,741,487,584/449,352,711.10
  6. Step 6: Final answer
    x = 629,943,142.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.