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Finding the Fourth Proportional to 439,256, 606,175.44 and 238,052

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Solution

The fourth proportional to 439,256, 606,175.44 and 238,052 is: 328,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,256 : 606,175.44 = 238,052 : x
  2. Step 2: Convert to fraction form
    439,256/606,175.44 = 238,052/x
  3. Step 3: Cross multiply
    439,256x = 606,175.44 × 238,052
  4. Step 4: Simplify right side
    439,256x = 144,301,275,842.88
  5. Step 5: Solve for x
    x = 144,301,275,842.88/439,256
  6. Step 6: Final answer
    x = 328,512.93

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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.