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Finding the Fourth Proportional to 294,096.48, 405,889.20 and 173,231.52

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Solution

The fourth proportional to 294,096.48, 405,889.20 and 173,231.52 is: 239,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,096.48 : 405,889.20 = 173,231.52 : x
  2. Step 2: Convert to fraction form
    294,096.48/405,889.20 = 173,231.52/x
  3. Step 3: Cross multiply
    294,096.48x = 405,889.20 × 173,231.52
  4. Step 4: Simplify right side
    294,096.48x = 70,312,803,067.58
  5. Step 5: Solve for x
    x = 70,312,803,067.58/294,096.48
  6. Step 6: Final answer
    x = 239,080.74

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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.