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Finding the Fourth Proportional to 242,586.80, 364,200.60 and 207,274.26

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Solution

The fourth proportional to 242,586.80, 364,200.60 and 207,274.26 is: 311,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,586.80 : 364,200.60 = 207,274.26 : x
  2. Step 2: Convert to fraction form
    242,586.80/364,200.60 = 207,274.26/x
  3. Step 3: Cross multiply
    242,586.80x = 364,200.60 × 207,274.26
  4. Step 4: Simplify right side
    242,586.80x = 75,489,409,856.56
  5. Step 5: Solve for x
    x = 75,489,409,856.56/242,586.80
  6. Step 6: Final answer
    x = 311,185.15

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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.