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Finding the Fourth Proportional to 1,995,538, 2,993,332.92 and 665,842

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Solution

The fourth proportional to 1,995,538, 2,993,332.92 and 665,842 is: 998,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,538 : 2,993,332.92 = 665,842 : x
  2. Step 2: Convert to fraction form
    1,995,538/2,993,332.92 = 665,842/x
  3. Step 3: Cross multiply
    1,995,538x = 2,993,332.92 × 665,842
  4. Step 4: Simplify right side
    1,995,538x = 1,993,086,778,118.64
  5. Step 5: Solve for x
    x = 1,993,086,778,118.64/1,995,538
  6. Step 6: Final answer
    x = 998,771.65

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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.