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Finding the Fourth Proportional to 301,855.40, 452,264.70 and 196,620.20

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Solution

The fourth proportional to 301,855.40, 452,264.70 and 196,620.20 is: 294,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,855.40 : 452,264.70 = 196,620.20 : x
  2. Step 2: Convert to fraction form
    301,855.40/452,264.70 = 196,620.20/x
  3. Step 3: Cross multiply
    301,855.40x = 452,264.70 × 196,620.20
  4. Step 4: Simplify right side
    301,855.40x = 88,924,375,766.94
  5. Step 5: Solve for x
    x = 88,924,375,766.94/301,855.40
  6. Step 6: Final answer
    x = 294,592.63

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1.5x scale

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.