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Finding the Fourth Proportional to 441,999.60, 662,878.08 and 122,074.98

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Solution

The fourth proportional to 441,999.60, 662,878.08 and 122,074.98 is: 183,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,999.60 : 662,878.08 = 122,074.98 : x
  2. Step 2: Convert to fraction form
    441,999.60/662,878.08 = 122,074.98/x
  3. Step 3: Cross multiply
    441,999.60x = 662,878.08 × 122,074.98
  4. Step 4: Simplify right side
    441,999.60x = 80,920,828,358.44
  5. Step 5: Solve for x
    x = 80,920,828,358.44/441,999.60
  6. Step 6: Final answer
    x = 183,078.96

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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.