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Finding the Fourth Proportional to 3,738,801.48, 5,608,202.20 and 898,913.64

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Solution

The fourth proportional to 3,738,801.48, 5,608,202.20 and 898,913.64 is: 1,348,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,801.48 : 5,608,202.20 = 898,913.64 : x
  2. Step 2: Convert to fraction form
    3,738,801.48/5,608,202.20 = 898,913.64/x
  3. Step 3: Cross multiply
    3,738,801.48x = 5,608,202.20 × 898,913.64
  4. Step 4: Simplify right side
    3,738,801.48x = 5,041,289,453,458.01
  5. Step 5: Solve for x
    x = 5,041,289,453,458.01/3,738,801.48
  6. Step 6: Final answer
    x = 1,348,370.46

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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.