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Finding the Fourth Proportional to 2,983,676.93, 4,478,645.79 and 2,644,291.79

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Solution

The fourth proportional to 2,983,676.93, 4,478,645.79 and 2,644,291.79 is: 3,969,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,676.93 : 4,478,645.79 = 2,644,291.79 : x
  2. Step 2: Convert to fraction form
    2,983,676.93/4,478,645.79 = 2,644,291.79/x
  3. Step 3: Cross multiply
    2,983,676.93x = 4,478,645.79 × 2,644,291.79
  4. Step 4: Simplify right side
    2,983,676.93x = 11,842,846,270,421.84
  5. Step 5: Solve for x
    x = 11,842,846,270,421.84/2,983,676.93
  6. Step 6: Final answer
    x = 3,969,212.01

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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.