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Finding the Fourth Proportional to 4,928,326.22, 7,392,750.41 and 1,518,954.51

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Solution

The fourth proportional to 4,928,326.22, 7,392,750.41 and 1,518,954.51 is: 2,278,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928,326.22 : 7,392,750.41 = 1,518,954.51 : x
  2. Step 2: Convert to fraction form
    4,928,326.22/7,392,750.41 = 1,518,954.51/x
  3. Step 3: Cross multiply
    4,928,326.22x = 7,392,750.41 × 1,518,954.51
  4. Step 4: Simplify right side
    4,928,326.22x = 11,229,251,576,573.85
  5. Step 5: Solve for x
    x = 11,229,251,576,573.85/4,928,326.22
  6. Step 6: Final answer
    x = 2,278,512.23

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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.