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Finding the Fourth Proportional to 371,552.44, 512,748.30 and 201,786.56

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Solution

The fourth proportional to 371,552.44, 512,748.30 and 201,786.56 is: 278,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,552.44 : 512,748.30 = 201,786.56 : x
  2. Step 2: Convert to fraction form
    371,552.44/512,748.30 = 201,786.56/x
  3. Step 3: Cross multiply
    371,552.44x = 512,748.30 × 201,786.56
  4. Step 4: Simplify right side
    371,552.44x = 103,465,715,602.85
  5. Step 5: Solve for x
    x = 103,465,715,602.85/371,552.44
  6. Step 6: Final answer
    x = 278,468.67

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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.