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Finding the Fourth Proportional to 324,654.90, 448,015.16 and 181,416.12

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Solution

The fourth proportional to 324,654.90, 448,015.16 and 181,416.12 is: 250,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,654.90 : 448,015.16 = 181,416.12 : x
  2. Step 2: Convert to fraction form
    324,654.90/448,015.16 = 181,416.12/x
  3. Step 3: Cross multiply
    324,654.90x = 448,015.16 × 181,416.12
  4. Step 4: Simplify right side
    324,654.90x = 81,277,171,121.30
  5. Step 5: Solve for x
    x = 81,277,171,121.30/324,654.90
  6. Step 6: Final answer
    x = 250,349.44

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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.