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Finding the Fourth Proportional to 1,859,550.45, 2,788,052.27 and 946,966.41

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Solution

The fourth proportional to 1,859,550.45, 2,788,052.27 and 946,966.41 is: 1,419,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,550.45 : 2,788,052.27 = 946,966.41 : x
  2. Step 2: Convert to fraction form
    1,859,550.45/2,788,052.27 = 946,966.41/x
  3. Step 3: Cross multiply
    1,859,550.45x = 2,788,052.27 × 946,966.41
  4. Step 4: Simplify right side
    1,859,550.45x = 2,640,191,858,150.57
  5. Step 5: Solve for x
    x = 2,640,191,858,150.57/1,859,550.45
  6. Step 6: Final answer
    x = 1,419,801.15

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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.