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Finding the Fourth Proportional to 350,912.78, 526,314.21 and 114,253.86

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Solution

The fourth proportional to 350,912.78, 526,314.21 and 114,253.86 is: 171,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,912.78 : 526,314.21 = 114,253.86 : x
  2. Step 2: Convert to fraction form
    350,912.78/526,314.21 = 114,253.86/x
  3. Step 3: Cross multiply
    350,912.78x = 526,314.21 × 114,253.86
  4. Step 4: Simplify right side
    350,912.78x = 60,133,430,065.35
  5. Step 5: Solve for x
    x = 60,133,430,065.35/350,912.78
  6. Step 6: Final answer
    x = 171,362.90

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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.