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Finding the Fourth Proportional to 2,981,926.81, 4,472,889.52 and 852,010.95

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Solution

The fourth proportional to 2,981,926.81, 4,472,889.52 and 852,010.95 is: 1,278,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,926.81 : 4,472,889.52 = 852,010.95 : x
  2. Step 2: Convert to fraction form
    2,981,926.81/4,472,889.52 = 852,010.95/x
  3. Step 3: Cross multiply
    2,981,926.81x = 4,472,889.52 × 852,010.95
  4. Step 4: Simplify right side
    2,981,926.81x = 3,810,950,849,180.24
  5. Step 5: Solve for x
    x = 3,810,950,849,180.24/2,981,926.81
  6. Step 6: Final answer
    x = 1,278,016.23

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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.