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Finding the Fourth Proportional to 1,797,902.92, 2,696,489.34 and 660,274.12

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Solution

The fourth proportional to 1,797,902.92, 2,696,489.34 and 660,274.12 is: 990,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,902.92 : 2,696,489.34 = 660,274.12 : x
  2. Step 2: Convert to fraction form
    1,797,902.92/2,696,489.34 = 660,274.12/x
  3. Step 3: Cross multiply
    1,797,902.92x = 2,696,489.34 × 660,274.12
  4. Step 4: Simplify right side
    1,797,902.92x = 1,780,422,126,057.88
  5. Step 5: Solve for x
    x = 1,780,422,126,057.88/1,797,902.92
  6. Step 6: Final answer
    x = 990,277.12

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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.