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Finding the Fourth Proportional to 2,668,921.97, 4,004,602.85 and 1,452,676.59

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Solution

The fourth proportional to 2,668,921.97, 4,004,602.85 and 1,452,676.59 is: 2,179,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,921.97 : 4,004,602.85 = 1,452,676.59 : x
  2. Step 2: Convert to fraction form
    2,668,921.97/4,004,602.85 = 1,452,676.59/x
  3. Step 3: Cross multiply
    2,668,921.97x = 4,004,602.85 × 1,452,676.59
  4. Step 4: Simplify right side
    2,668,921.97x = 5,817,392,816,073.97
  5. Step 5: Solve for x
    x = 5,817,392,816,073.97/2,668,921.97
  6. Step 6: Final answer
    x = 2,179,678.87

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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.