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Finding the Fourth Proportional to 1,952,982.91, 2,695,159.83 and 1,114,757.61

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Solution

The fourth proportional to 1,952,982.91, 2,695,159.83 and 1,114,757.61 is: 1,538,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,982.91 : 2,695,159.83 = 1,114,757.61 : x
  2. Step 2: Convert to fraction form
    1,952,982.91/2,695,159.83 = 1,114,757.61/x
  3. Step 3: Cross multiply
    1,952,982.91x = 2,695,159.83 × 1,114,757.61
  4. Step 4: Simplify right side
    1,952,982.91x = 3,004,449,930,658.81
  5. Step 5: Solve for x
    x = 3,004,449,930,658.81/1,952,982.91
  6. Step 6: Final answer
    x = 1,538,390.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.