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Finding the Fourth Proportional to 2,147,235, 3,220,871.94 and 651,327

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Solution

The fourth proportional to 2,147,235, 3,220,871.94 and 651,327 is: 976,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,235 : 3,220,871.94 = 651,327 : x
  2. Step 2: Convert to fraction form
    2,147,235/3,220,871.94 = 651,327/x
  3. Step 3: Cross multiply
    2,147,235x = 3,220,871.94 × 651,327
  4. Step 4: Simplify right side
    2,147,235x = 2,097,840,858,064.38
  5. Step 5: Solve for x
    x = 2,097,840,858,064.38/2,147,235
  6. Step 6: Final answer
    x = 976,996.40

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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.