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Finding the Fourth Proportional to 342,525.08, 472,372.42 and 294,111.96

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Solution

The fourth proportional to 342,525.08, 472,372.42 and 294,111.96 is: 405,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,525.08 : 472,372.42 = 294,111.96 : x
  2. Step 2: Convert to fraction form
    342,525.08/472,372.42 = 294,111.96/x
  3. Step 3: Cross multiply
    342,525.08x = 472,372.42 × 294,111.96
  4. Step 4: Simplify right side
    342,525.08x = 138,930,378,296.14
  5. Step 5: Solve for x
    x = 138,930,378,296.14/342,525.08
  6. Step 6: Final answer
    x = 405,606.44

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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.