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Finding the Fourth Proportional to 1,995,546, 2,993,344.92 and 665,850

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Solution

The fourth proportional to 1,995,546, 2,993,344.92 and 665,850 is: 998,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,546 : 2,993,344.92 = 665,850 : x
  2. Step 2: Convert to fraction form
    1,995,546/2,993,344.92 = 665,850/x
  3. Step 3: Cross multiply
    1,995,546x = 2,993,344.92 × 665,850
  4. Step 4: Simplify right side
    1,995,546x = 1,993,118,714,982
  5. Step 5: Solve for x
    x = 1,993,118,714,982/1,995,546
  6. Step 6: Final answer
    x = 998,783.65

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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.