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Finding the Fourth Proportional to 3,738,789.48, 5,608,184.20 and 898,901.64

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Solution

The fourth proportional to 3,738,789.48, 5,608,184.20 and 898,901.64 is: 1,348,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,789.48 : 5,608,184.20 = 898,901.64 : x
  2. Step 2: Convert to fraction form
    3,738,789.48/5,608,184.20 = 898,901.64/x
  3. Step 3: Cross multiply
    3,738,789.48x = 5,608,184.20 × 898,901.64
  4. Step 4: Simplify right side
    3,738,789.48x = 5,041,205,974,802.09
  5. Step 5: Solve for x
    x = 5,041,205,974,802.09/3,738,789.48
  6. Step 6: Final answer
    x = 1,348,352.46

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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.