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Finding the Fourth Proportional to 1,944,754.86, 2,917,443.34 and 822,833.58

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Solution

The fourth proportional to 1,944,754.86, 2,917,443.34 and 822,833.58 is: 1,234,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,754.86 : 2,917,443.34 = 822,833.58 : x
  2. Step 2: Convert to fraction form
    1,944,754.86/2,917,443.34 = 822,833.58/x
  3. Step 3: Cross multiply
    1,944,754.86x = 2,917,443.34 × 822,833.58
  4. Step 4: Simplify right side
    1,944,754.86x = 2,400,570,347,899.36
  5. Step 5: Solve for x
    x = 2,400,570,347,899.36/1,944,754.86
  6. Step 6: Final answer
    x = 1,234,381.98

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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.