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Finding the Fourth Proportional to 480,709.82, 720,556.24 and 181,060.75

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Solution

The fourth proportional to 480,709.82, 720,556.24 and 181,060.75 is: 271,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,709.82 : 720,556.24 = 181,060.75 : x
  2. Step 2: Convert to fraction form
    480,709.82/720,556.24 = 181,060.75/x
  3. Step 3: Cross multiply
    480,709.82x = 720,556.24 × 181,060.75
  4. Step 4: Simplify right side
    480,709.82x = 130,464,453,231.58
  5. Step 5: Solve for x
    x = 130,464,453,231.58/480,709.82
  6. Step 6: Final answer
    x = 271,399.60

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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.