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Finding the Fourth Proportional to 293,878.44, 405,556.80 and 171,367.50

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Solution

The fourth proportional to 293,878.44, 405,556.80 and 171,367.50 is: 236,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,878.44 : 405,556.80 = 171,367.50 : x
  2. Step 2: Convert to fraction form
    293,878.44/405,556.80 = 171,367.50/x
  3. Step 3: Cross multiply
    293,878.44x = 405,556.80 × 171,367.50
  4. Step 4: Simplify right side
    293,878.44x = 69,499,254,924
  5. Step 5: Solve for x
    x = 69,499,254,924/293,878.44
  6. Step 6: Final answer
    x = 236,489.80

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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.