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Finding the Fourth Proportional to 1,997,673.58, 2,996,538 and 649,843.21

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Solution

The fourth proportional to 1,997,673.58, 2,996,538 and 649,843.21 is: 974,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,673.58 : 2,996,538 = 649,843.21 : x
  2. Step 2: Convert to fraction form
    1,997,673.58/2,996,538 = 649,843.21/x
  3. Step 3: Cross multiply
    1,997,673.58x = 2,996,538 × 649,843.21
  4. Step 4: Simplify right side
    1,997,673.58x = 1,947,279,872,806.98
  5. Step 5: Solve for x
    x = 1,947,279,872,806.98/1,997,673.58
  6. Step 6: Final answer
    x = 974,773.80

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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.