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Finding the Fourth Proportional to 439,554, 606,584.52 and 238,350

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Solution

The fourth proportional to 439,554, 606,584.52 and 238,350 is: 328,923

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,554 : 606,584.52 = 238,350 : x
  2. Step 2: Convert to fraction form
    439,554/606,584.52 = 238,350/x
  3. Step 3: Cross multiply
    439,554x = 606,584.52 × 238,350
  4. Step 4: Simplify right side
    439,554x = 144,579,420,342
  5. Step 5: Solve for x
    x = 144,579,420,342/439,554
  6. Step 6: Final answer
    x = 328,923

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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.