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Finding the Fourth Proportional to 447,907,465.80, 671,760,369.90 and 160,693,129.80

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Solution

The fourth proportional to 447,907,465.80, 671,760,369.90 and 160,693,129.80 is: 241,003,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,907,465.80 : 671,760,369.90 = 160,693,129.80 : x
  2. Step 2: Convert to fraction form
    447,907,465.80/671,760,369.90 = 160,693,129.80/x
  3. Step 3: Cross multiply
    447,907,465.80x = 671,760,369.90 × 160,693,129.80
  4. Step 4: Simplify right side
    447,907,465.80x = 107,947,276,314,836,720
  5. Step 5: Solve for x
    x = 107,947,276,314,836,720/447,907,465.80
  6. Step 6: Final answer
    x = 241,003,520.94

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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.