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Finding the Fourth Proportional to 294,031.44, 405,991.92 and 225,941.10

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Solution

The fourth proportional to 294,031.44, 405,991.92 and 225,941.10 is: 311,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,031.44 : 405,991.92 = 225,941.10 : x
  2. Step 2: Convert to fraction form
    294,031.44/405,991.92 = 225,941.10/x
  3. Step 3: Cross multiply
    294,031.44x = 405,991.92 × 225,941.10
  4. Step 4: Simplify right side
    294,031.44x = 91,730,260,995.91
  5. Step 5: Solve for x
    x = 91,730,260,995.91/294,031.44
  6. Step 6: Final answer
    x = 311,974.33

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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.