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Finding the Fourth Proportional to 449,097,812.40, 673,646,718.60 and 294,129,616.80

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Solution

The fourth proportional to 449,097,812.40, 673,646,718.60 and 294,129,616.80 is: 441,194,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,097,812.40 : 673,646,718.60 = 294,129,616.80 : x
  2. Step 2: Convert to fraction form
    449,097,812.40/673,646,718.60 = 294,129,616.80/x
  3. Step 3: Cross multiply
    449,097,812.40x = 673,646,718.60 × 294,129,616.80
  4. Step 4: Simplify right side
    449,097,812.40x = 198,139,451,200,395,456
  5. Step 5: Solve for x
    x = 198,139,451,200,395,456/449,097,812.40
  6. Step 6: Final answer
    x = 441,194,425.20

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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.