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Finding the Fourth Proportional to 351,416.44, 484,989.42 and 200,536.12

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Solution

The fourth proportional to 351,416.44, 484,989.42 and 200,536.12 is: 276,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,416.44 : 484,989.42 = 200,536.12 : x
  2. Step 2: Convert to fraction form
    351,416.44/484,989.42 = 200,536.12/x
  3. Step 3: Cross multiply
    351,416.44x = 484,989.42 × 200,536.12
  4. Step 4: Simplify right side
    351,416.44x = 97,257,896,527.85
  5. Step 5: Solve for x
    x = 97,257,896,527.85/351,416.44
  6. Step 6: Final answer
    x = 276,759.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.