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Finding the Fourth Proportional to 449,308,936.40, 673,963,404.60 and 293,440,571.60

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Solution

The fourth proportional to 449,308,936.40, 673,963,404.60 and 293,440,571.60 is: 440,160,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,308,936.40 : 673,963,404.60 = 293,440,571.60 : x
  2. Step 2: Convert to fraction form
    449,308,936.40/673,963,404.60 = 293,440,571.60/x
  3. Step 3: Cross multiply
    449,308,936.40x = 673,963,404.60 × 293,440,571.60
  4. Step 4: Simplify right side
    449,308,936.40x = 197,768,206,683,306,080
  5. Step 5: Solve for x
    x = 197,768,206,683,306,080/449,308,936.40
  6. Step 6: Final answer
    x = 440,160,857.40

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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.