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Finding the Fourth Proportional to 350,676.12, 526,146.66 and 210,532.44

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Solution

The fourth proportional to 350,676.12, 526,146.66 and 210,532.44 is: 315,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,676.12 : 526,146.66 = 210,532.44 : x
  2. Step 2: Convert to fraction form
    350,676.12/526,146.66 = 210,532.44/x
  3. Step 3: Cross multiply
    350,676.12x = 526,146.66 × 210,532.44
  4. Step 4: Simplify right side
    350,676.12x = 110,770,940,127.65
  5. Step 5: Solve for x
    x = 110,770,940,127.65/350,676.12
  6. Step 6: Final answer
    x = 315,878.20

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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.