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Finding the Fourth Proportional to 1,229,827.86, 1,844,151.30 and 697,205.88

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Solution

The fourth proportional to 1,229,827.86, 1,844,151.30 and 697,205.88 is: 1,045,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,827.86 : 1,844,151.30 = 697,205.88 : x
  2. Step 2: Convert to fraction form
    1,229,827.86/1,844,151.30 = 697,205.88/x
  3. Step 3: Cross multiply
    1,229,827.86x = 1,844,151.30 × 697,205.88
  4. Step 4: Simplify right side
    1,229,827.86x = 1,285,753,129,969.64
  5. Step 5: Solve for x
    x = 1,285,753,129,969.64/1,229,827.86
  6. Step 6: Final answer
    x = 1,045,474.06

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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.