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Finding the Fourth Proportional to 324,442.48, 447,665.60 and 181,180.48

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Solution

The fourth proportional to 324,442.48, 447,665.60 and 181,180.48 is: 249,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,442.48 : 447,665.60 = 181,180.48 : x
  2. Step 2: Convert to fraction form
    324,442.48/447,665.60 = 181,180.48/x
  3. Step 3: Cross multiply
    324,442.48x = 447,665.60 × 181,180.48
  4. Step 4: Simplify right side
    324,442.48x = 81,108,268,287.49
  5. Step 5: Solve for x
    x = 81,108,268,287.49/324,442.48
  6. Step 6: Final answer
    x = 249,992.75

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1.5x scale

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.