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Finding the Fourth Proportional to 293,610.40, 439,249.20 and 254,600.80

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Solution

The fourth proportional to 293,610.40, 439,249.20 and 254,600.80 is: 380,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,610.40 : 439,249.20 = 254,600.80 : x
  2. Step 2: Convert to fraction form
    293,610.40/439,249.20 = 254,600.80/x
  3. Step 3: Cross multiply
    293,610.40x = 439,249.20 × 254,600.80
  4. Step 4: Simplify right side
    293,610.40x = 111,833,197,719.36
  5. Step 5: Solve for x
    x = 111,833,197,719.36/293,610.40
  6. Step 6: Final answer
    x = 380,889.77

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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.