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Finding the Fourth Proportional to 2,835,154.80, 4,250,010.60 and 940,921.20

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Solution

The fourth proportional to 2,835,154.80, 4,250,010.60 and 940,921.20 is: 1,410,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835,154.80 : 4,250,010.60 = 940,921.20 : x
  2. Step 2: Convert to fraction form
    2,835,154.80/4,250,010.60 = 940,921.20/x
  3. Step 3: Cross multiply
    2,835,154.80x = 4,250,010.60 × 940,921.20
  4. Step 4: Simplify right side
    2,835,154.80x = 3,998,925,073,764.72
  5. Step 5: Solve for x
    x = 3,998,925,073,764.72/2,835,154.80
  6. Step 6: Final answer
    x = 1,410,478.56

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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.