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Finding the Fourth Proportional to 1,944,751.86, 2,917,438.83 and 822,830.58

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Solution

The fourth proportional to 1,944,751.86, 2,917,438.83 and 822,830.58 is: 1,234,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,751.86 : 2,917,438.83 = 822,830.58 : x
  2. Step 2: Convert to fraction form
    1,944,751.86/2,917,438.83 = 822,830.58/x
  3. Step 3: Cross multiply
    1,944,751.86x = 2,917,438.83 × 822,830.58
  4. Step 4: Simplify right side
    1,944,751.86x = 2,400,557,884,603.42
  5. Step 5: Solve for x
    x = 2,400,557,884,603.42/1,944,751.86
  6. Step 6: Final answer
    x = 1,234,377.47

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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.