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Finding the Fourth Proportional to 275,280.98, 412,921.46 and 181,106.33

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Solution

The fourth proportional to 275,280.98, 412,921.46 and 181,106.33 is: 271,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280.98 : 412,921.46 = 181,106.33 : x
  2. Step 2: Convert to fraction form
    275,280.98/412,921.46 = 181,106.33/x
  3. Step 3: Cross multiply
    275,280.98x = 412,921.46 × 181,106.33
  4. Step 4: Simplify right side
    275,280.98x = 74,782,688,587.00
  5. Step 5: Solve for x
    x = 74,782,688,587.00/275,280.98
  6. Step 6: Final answer
    x = 271,659.49

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1.5x scale

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.