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Finding the Fourth Proportional to 481,557.10, 722,165.55 and 165,940.60

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Solution

The fourth proportional to 481,557.10, 722,165.55 and 165,940.60 is: 248,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,557.10 : 722,165.55 = 165,940.60 : x
  2. Step 2: Convert to fraction form
    481,557.10/722,165.55 = 165,940.60/x
  3. Step 3: Cross multiply
    481,557.10x = 722,165.55 × 165,940.60
  4. Step 4: Simplify right side
    481,557.10x = 119,836,584,666.33
  5. Step 5: Solve for x
    x = 119,836,584,666.33/481,557.10
  6. Step 6: Final answer
    x = 248,852.28

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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.