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Finding the Fourth Proportional to 299,385,802.80, 449,414,627.40 and 231,529,316.40

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Solution

The fourth proportional to 299,385,802.80, 449,414,627.40 and 231,529,316.40 is: 347,553,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,385,802.80 : 449,414,627.40 = 231,529,316.40 : x
  2. Step 2: Convert to fraction form
    299,385,802.80/449,414,627.40 = 231,529,316.40/x
  3. Step 3: Cross multiply
    299,385,802.80x = 449,414,627.40 × 231,529,316.40
  4. Step 4: Simplify right side
    299,385,802.80x = 104,052,661,462,082,704
  5. Step 5: Solve for x
    x = 104,052,661,462,082,704/299,385,802.80
  6. Step 6: Final answer
    x = 347,553,760.03

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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.