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Finding the Fourth Proportional to 2,791,825.80, 4,187,738.70 and 996,736.20

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Solution

The fourth proportional to 2,791,825.80, 4,187,738.70 and 996,736.20 is: 1,495,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,825.80 : 4,187,738.70 = 996,736.20 : x
  2. Step 2: Convert to fraction form
    2,791,825.80/4,187,738.70 = 996,736.20/x
  3. Step 3: Cross multiply
    2,791,825.80x = 4,187,738.70 × 996,736.20
  4. Step 4: Simplify right side
    2,791,825.80x = 4,174,070,758,430.94
  5. Step 5: Solve for x
    x = 4,174,070,758,430.94/2,791,825.80
  6. Step 6: Final answer
    x = 1,495,104.30

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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.