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Finding the Fourth Proportional to 201,679,620.95, 302,519,431.43 and 197,200,644.95

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Solution

The fourth proportional to 201,679,620.95, 302,519,431.43 and 197,200,644.95 is: 295,800,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,679,620.95 : 302,519,431.43 = 197,200,644.95 : x
  2. Step 2: Convert to fraction form
    201,679,620.95/302,519,431.43 = 197,200,644.95/x
  3. Step 3: Cross multiply
    201,679,620.95x = 302,519,431.43 × 197,200,644.95
  4. Step 4: Simplify right side
    201,679,620.95x = 59,657,026,986,917,296
  5. Step 5: Solve for x
    x = 59,657,026,986,917,296/201,679,620.95
  6. Step 6: Final answer
    x = 295,800,967.43

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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.