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Finding the Fourth Proportional to 3,763,810.56, 5,645,826.48 and 923,922.60

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Solution

The fourth proportional to 3,763,810.56, 5,645,826.48 and 923,922.60 is: 1,385,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,810.56 : 5,645,826.48 = 923,922.60 : x
  2. Step 2: Convert to fraction form
    3,763,810.56/5,645,826.48 = 923,922.60/x
  3. Step 3: Cross multiply
    3,763,810.56x = 5,645,826.48 × 923,922.60
  4. Step 4: Simplify right side
    3,763,810.56x = 5,216,306,680,550.45
  5. Step 5: Solve for x
    x = 5,216,306,680,550.45/3,763,810.56
  6. Step 6: Final answer
    x = 1,385,911.06

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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.