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Finding the Fourth Proportional to 1,857,169.80, 2,786,542.74 and 1,014,737.40

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Solution

The fourth proportional to 1,857,169.80, 2,786,542.74 and 1,014,737.40 is: 1,522,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,169.80 : 2,786,542.74 = 1,014,737.40 : x
  2. Step 2: Convert to fraction form
    1,857,169.80/2,786,542.74 = 1,014,737.40/x
  3. Step 3: Cross multiply
    1,857,169.80x = 2,786,542.74 × 1,014,737.40
  4. Step 4: Simplify right side
    1,857,169.80x = 2,827,609,134,976.48
  5. Step 5: Solve for x
    x = 2,827,609,134,976.48/1,857,169.80
  6. Step 6: Final answer
    x = 1,522,536.68

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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.