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Finding the Fourth Proportional to 3,805,886.73, 5,708,849.25 and 965,999.79

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Solution

The fourth proportional to 3,805,886.73, 5,708,849.25 and 965,999.79 is: 1,449,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805,886.73 : 5,708,849.25 = 965,999.79 : x
  2. Step 2: Convert to fraction form
    3,805,886.73/5,708,849.25 = 965,999.79/x
  3. Step 3: Cross multiply
    3,805,886.73x = 5,708,849.25 × 965,999.79
  4. Step 4: Simplify right side
    3,805,886.73x = 5,514,747,176,641.66
  5. Step 5: Solve for x
    x = 5,514,747,176,641.66/3,805,886.73
  6. Step 6: Final answer
    x = 1,449,004.55

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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.