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Finding the Fourth Proportional to 248,383, 372,609.54 and 79,846.84

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Solution

The fourth proportional to 248,383, 372,609.54 and 79,846.84 is: 119,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,383 : 372,609.54 = 79,846.84 : x
  2. Step 2: Convert to fraction form
    248,383/372,609.54 = 79,846.84/x
  3. Step 3: Cross multiply
    248,383x = 372,609.54 × 79,846.84
  4. Step 4: Simplify right side
    248,383x = 29,751,694,322.85
  5. Step 5: Solve for x
    x = 29,751,694,322.85/248,383
  6. Step 6: Final answer
    x = 119,781.52

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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.