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Finding the Fourth Proportional to 460,321.88, 690,777.74 and 223,535.39

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Solution

The fourth proportional to 460,321.88, 690,777.74 and 223,535.39 is: 335,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,321.88 : 690,777.74 = 223,535.39 : x
  2. Step 2: Convert to fraction form
    460,321.88/690,777.74 = 223,535.39/x
  3. Step 3: Cross multiply
    460,321.88x = 690,777.74 × 223,535.39
  4. Step 4: Simplify right side
    460,321.88x = 154,413,273,800.00
  5. Step 5: Solve for x
    x = 154,413,273,800.00/460,321.88
  6. Step 6: Final answer
    x = 335,446.30

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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.