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Finding the Fourth Proportional to 439,540.44, 606,464.06 and 296,565.72

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Solution

The fourth proportional to 439,540.44, 606,464.06 and 296,565.72 is: 409,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,540.44 : 606,464.06 = 296,565.72 : x
  2. Step 2: Convert to fraction form
    439,540.44/606,464.06 = 296,565.72/x
  3. Step 3: Cross multiply
    439,540.44x = 606,464.06 × 296,565.72
  4. Step 4: Simplify right side
    439,540.44x = 179,856,450,608.02
  5. Step 5: Solve for x
    x = 179,856,450,608.02/439,540.44
  6. Step 6: Final answer
    x = 409,192.04

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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.