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Finding the Fourth Proportional to 352,674.44, 486,839.66 and 238,108.28

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Solution

The fourth proportional to 352,674.44, 486,839.66 and 238,108.28 is: 328,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,674.44 : 486,839.66 = 238,108.28 : x
  2. Step 2: Convert to fraction form
    352,674.44/486,839.66 = 238,108.28/x
  3. Step 3: Cross multiply
    352,674.44x = 486,839.66 × 238,108.28
  4. Step 4: Simplify right side
    352,674.44x = 115,920,554,078.39
  5. Step 5: Solve for x
    x = 115,920,554,078.39/352,674.44
  6. Step 6: Final answer
    x = 328,689.98

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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.