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Finding the Fourth Proportional to 301,836.06, 416,360.30 and 188,461.98

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Solution

The fourth proportional to 301,836.06, 416,360.30 and 188,461.98 is: 259,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,836.06 : 416,360.30 = 188,461.98 : x
  2. Step 2: Convert to fraction form
    301,836.06/416,360.30 = 188,461.98/x
  3. Step 3: Cross multiply
    301,836.06x = 416,360.30 × 188,461.98
  4. Step 4: Simplify right side
    301,836.06x = 78,468,086,531.39
  5. Step 5: Solve for x
    x = 78,468,086,531.39/301,836.06
  6. Step 6: Final answer
    x = 259,969.22

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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.