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Finding the Fourth Proportional to 3,165,668.82, 4,748,505.01 and 2,223,246.78

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Solution

The fourth proportional to 3,165,668.82, 4,748,505.01 and 2,223,246.78 is: 3,334,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,668.82 : 4,748,505.01 = 2,223,246.78 : x
  2. Step 2: Convert to fraction form
    3,165,668.82/4,748,505.01 = 2,223,246.78/x
  3. Step 3: Cross multiply
    3,165,668.82x = 4,748,505.01 × 2,223,246.78
  4. Step 4: Simplify right side
    3,165,668.82x = 10,557,098,467,738.25
  5. Step 5: Solve for x
    x = 10,557,098,467,738.25/3,165,668.82
  6. Step 6: Final answer
    x = 3,334,871.42

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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.