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Finding the Fourth Proportional to 2,057,287.70, 2,873,116.90 and 2,057,287.70

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Solution

The fourth proportional to 2,057,287.70, 2,873,116.90 and 2,057,287.70 is: 2,873,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,287.70 : 2,873,116.90 = 2,057,287.70 : x
  2. Step 2: Convert to fraction form
    2,057,287.70/2,873,116.90 = 2,057,287.70/x
  3. Step 3: Cross multiply
    2,057,287.70x = 2,873,116.90 × 2,057,287.70
  4. Step 4: Simplify right side
    2,057,287.70x = 5,910,828,059,032.13
  5. Step 5: Solve for x
    x = 5,910,828,059,032.13/2,057,287.70
  6. Step 6: Final answer
    x = 2,873,116.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.