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Finding the Fourth Proportional to 441,841.76, 662,144.84 and 238,999.98

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Solution

The fourth proportional to 441,841.76, 662,144.84 and 238,999.98 is: 358,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,841.76 : 662,144.84 = 238,999.98 : x
  2. Step 2: Convert to fraction form
    441,841.76/662,144.84 = 238,999.98/x
  3. Step 3: Cross multiply
    441,841.76x = 662,144.84 × 238,999.98
  4. Step 4: Simplify right side
    441,841.76x = 158,252,603,517.10
  5. Step 5: Solve for x
    x = 158,252,603,517.10/441,841.76
  6. Step 6: Final answer
    x = 358,165.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.