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Finding the Fourth Proportional to 802,093.50, 1,106,889.03 and 479,817.18

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Solution

The fourth proportional to 802,093.50, 1,106,889.03 and 479,817.18 is: 662,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,093.50 : 1,106,889.03 = 479,817.18 : x
  2. Step 2: Convert to fraction form
    802,093.50/1,106,889.03 = 479,817.18/x
  3. Step 3: Cross multiply
    802,093.50x = 1,106,889.03 × 479,817.18
  4. Step 4: Simplify right side
    802,093.50x = 531,104,372,947.54
  5. Step 5: Solve for x
    x = 531,104,372,947.54/802,093.50
  6. Step 6: Final answer
    x = 662,147.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.