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Finding the Fourth Proportional to 263,683,300.80, 395,692,912.80 and 154,508,260.80

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Solution

The fourth proportional to 263,683,300.80, 395,692,912.80 and 154,508,260.80 is: 231,860,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,683,300.80 : 395,692,912.80 = 154,508,260.80 : x
  2. Step 2: Convert to fraction form
    263,683,300.80/395,692,912.80 = 154,508,260.80/x
  3. Step 3: Cross multiply
    263,683,300.80x = 395,692,912.80 × 154,508,260.80
  4. Step 4: Simplify right side
    263,683,300.80x = 61,137,823,767,614,064
  5. Step 5: Solve for x
    x = 61,137,823,767,614,064/263,683,300.80
  6. Step 6: Final answer
    x = 231,860,810.23

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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.