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Finding the Fourth Proportional to 1,796,789.10, 2,695,183.65 and 1,666,881.30

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Solution

The fourth proportional to 1,796,789.10, 2,695,183.65 and 1,666,881.30 is: 2,500,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,789.10 : 2,695,183.65 = 1,666,881.30 : x
  2. Step 2: Convert to fraction form
    1,796,789.10/2,695,183.65 = 1,666,881.30/x
  3. Step 3: Cross multiply
    1,796,789.10x = 2,695,183.65 × 1,666,881.30
  4. Step 4: Simplify right side
    1,796,789.10x = 4,492,551,226,250.75
  5. Step 5: Solve for x
    x = 4,492,551,226,250.75/1,796,789.10
  6. Step 6: Final answer
    x = 2,500,321.95

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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.