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Finding the Fourth Proportional to 1,799,273.28, 2,696,811.48 and 661,177.92

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Solution

The fourth proportional to 1,799,273.28, 2,696,811.48 and 661,177.92 is: 990,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,273.28 : 2,696,811.48 = 661,177.92 : x
  2. Step 2: Convert to fraction form
    1,799,273.28/2,696,811.48 = 661,177.92/x
  3. Step 3: Cross multiply
    1,799,273.28x = 2,696,811.48 × 661,177.92
  4. Step 4: Simplify right side
    1,799,273.28x = 1,783,072,204,978.52
  5. Step 5: Solve for x
    x = 1,783,072,204,978.52/1,799,273.28
  6. Step 6: Final answer
    x = 990,995.77

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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.