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Finding the Fourth Proportional to 2,856,744.04, 3,944,153.54 and 1,770,168.68

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Solution

The fourth proportional to 2,856,744.04, 3,944,153.54 and 1,770,168.68 is: 2,443,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,744.04 : 3,944,153.54 = 1,770,168.68 : x
  2. Step 2: Convert to fraction form
    2,856,744.04/3,944,153.54 = 1,770,168.68/x
  3. Step 3: Cross multiply
    2,856,744.04x = 3,944,153.54 × 1,770,168.68
  4. Step 4: Simplify right side
    2,856,744.04x = 6,981,817,065,619.13
  5. Step 5: Solve for x
    x = 6,981,817,065,619.13/2,856,744.04
  6. Step 6: Final answer
    x = 2,443,977.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.