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Finding the Fourth Proportional to 409,166.20, 612,021.30 and 367,348.60

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Solution

The fourth proportional to 409,166.20, 612,021.30 and 367,348.60 is: 549,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,166.20 : 612,021.30 = 367,348.60 : x
  2. Step 2: Convert to fraction form
    409,166.20/612,021.30 = 367,348.60/x
  3. Step 3: Cross multiply
    409,166.20x = 612,021.30 × 367,348.60
  4. Step 4: Simplify right side
    409,166.20x = 224,825,167,725.18
  5. Step 5: Solve for x
    x = 224,825,167,725.18/409,166.20
  6. Step 6: Final answer
    x = 549,471.51

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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.