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Finding the Fourth Proportional to 352,672.41, 486,836.86 and 238,106.24

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Solution

The fourth proportional to 352,672.41, 486,836.86 and 238,106.24 is: 328,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,672.41 : 486,836.86 = 238,106.24 : x
  2. Step 2: Convert to fraction form
    352,672.41/486,836.86 = 238,106.24/x
  3. Step 3: Cross multiply
    352,672.41x = 486,836.86 × 238,106.24
  4. Step 4: Simplify right side
    352,672.41x = 115,918,893,037.48
  5. Step 5: Solve for x
    x = 115,918,893,037.48/352,672.41
  6. Step 6: Final answer
    x = 328,687.17

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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.