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Finding the Fourth Proportional to 1,796,646.30, 2,694,969.45 and 1,619,499.30

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Solution

The fourth proportional to 1,796,646.30, 2,694,969.45 and 1,619,499.30 is: 2,429,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,646.30 : 2,694,969.45 = 1,619,499.30 : x
  2. Step 2: Convert to fraction form
    1,796,646.30/2,694,969.45 = 1,619,499.30/x
  3. Step 3: Cross multiply
    1,796,646.30x = 2,694,969.45 × 1,619,499.30
  4. Step 4: Simplify right side
    1,796,646.30x = 4,364,501,137,796.39
  5. Step 5: Solve for x
    x = 4,364,501,137,796.39/1,796,646.30
  6. Step 6: Final answer
    x = 2,429,248.95

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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.