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Finding the Fourth Proportional to 276,650.40, 414,975.60 and 171,674.40

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Solution

The fourth proportional to 276,650.40, 414,975.60 and 171,674.40 is: 257,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,650.40 : 414,975.60 = 171,674.40 : x
  2. Step 2: Convert to fraction form
    276,650.40/414,975.60 = 171,674.40/x
  3. Step 3: Cross multiply
    276,650.40x = 414,975.60 × 171,674.40
  4. Step 4: Simplify right side
    276,650.40x = 71,240,687,144.64
  5. Step 5: Solve for x
    x = 71,240,687,144.64/276,650.40
  6. Step 6: Final answer
    x = 257,511.60

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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.