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Finding the Fourth Proportional to 444,379,425.75, 613,249,938.50 and 256,203,997.11

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Solution

The fourth proportional to 444,379,425.75, 613,249,938.50 and 256,203,997.11 is: 353,565,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,379,425.75 : 613,249,938.50 = 256,203,997.11 : x
  2. Step 2: Convert to fraction form
    444,379,425.75/613,249,938.50 = 256,203,997.11/x
  3. Step 3: Cross multiply
    444,379,425.75x = 613,249,938.50 × 256,203,997.11
  4. Step 4: Simplify right side
    444,379,425.75x = 157,117,085,469,880,672
  5. Step 5: Solve for x
    x = 157,117,085,469,880,672/444,379,425.75
  6. Step 6: Final answer
    x = 353,565,166.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.