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Finding the Fourth Proportional to 442,071.22, 662,634.72 and 252,122.58

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Solution

The fourth proportional to 442,071.22, 662,634.72 and 252,122.58 is: 377,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,071.22 : 662,634.72 = 252,122.58 : x
  2. Step 2: Convert to fraction form
    442,071.22/662,634.72 = 252,122.58/x
  3. Step 3: Cross multiply
    442,071.22x = 662,634.72 × 252,122.58
  4. Step 4: Simplify right side
    442,071.22x = 167,065,172,601.93
  5. Step 5: Solve for x
    x = 167,065,172,601.93/442,071.22
  6. Step 6: Final answer
    x = 377,914.61

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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.