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Finding the Fourth Proportional to 449,323,336.40, 673,985,004.60 and 367,693,998.80

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Solution

The fourth proportional to 449,323,336.40, 673,985,004.60 and 367,693,998.80 is: 551,540,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,336.40 : 673,985,004.60 = 367,693,998.80 : x
  2. Step 2: Convert to fraction form
    449,323,336.40/673,985,004.60 = 367,693,998.80/x
  3. Step 3: Cross multiply
    449,323,336.40x = 673,985,004.60 × 367,693,998.80
  4. Step 4: Simplify right side
    449,323,336.40x = 247,820,241,472,610,400
  5. Step 5: Solve for x
    x = 247,820,241,472,610,400/449,323,336.40
  6. Step 6: Final answer
    x = 551,540,998.20

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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.