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Finding the Fourth Proportional to 307,548.80, 461,323.20 and 181,059.20

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Solution

The fourth proportional to 307,548.80, 461,323.20 and 181,059.20 is: 271,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,548.80 : 461,323.20 = 181,059.20 : x
  2. Step 2: Convert to fraction form
    307,548.80/461,323.20 = 181,059.20/x
  3. Step 3: Cross multiply
    307,548.80x = 461,323.20 × 181,059.20
  4. Step 4: Simplify right side
    307,548.80x = 83,526,809,533.44
  5. Step 5: Solve for x
    x = 83,526,809,533.44/307,548.80
  6. Step 6: Final answer
    x = 271,588.80

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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.