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Finding the Fourth Proportional to 481,722.36, 664,776.72 and 266,876.34

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Solution

The fourth proportional to 481,722.36, 664,776.72 and 266,876.34 is: 368,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,722.36 : 664,776.72 = 266,876.34 : x
  2. Step 2: Convert to fraction form
    481,722.36/664,776.72 = 266,876.34/x
  3. Step 3: Cross multiply
    481,722.36x = 664,776.72 × 266,876.34
  4. Step 4: Simplify right side
    481,722.36x = 177,413,177,950.81
  5. Step 5: Solve for x
    x = 177,413,177,950.81/481,722.36
  6. Step 6: Final answer
    x = 368,289.27

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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.