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Finding the Fourth Proportional to 274,682,701.80, 412,024,052.70 and 223,026,636.60

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Solution

The fourth proportional to 274,682,701.80, 412,024,052.70 and 223,026,636.60 is: 334,539,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,682,701.80 : 412,024,052.70 = 223,026,636.60 : x
  2. Step 2: Convert to fraction form
    274,682,701.80/412,024,052.70 = 223,026,636.60/x
  3. Step 3: Cross multiply
    274,682,701.80x = 412,024,052.70 × 223,026,636.60
  4. Step 4: Simplify right side
    274,682,701.80x = 91,892,338,671,982,144
  5. Step 5: Solve for x
    x = 91,892,338,671,982,144/274,682,701.80
  6. Step 6: Final answer
    x = 334,539,954.90

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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.