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Finding the Fourth Proportional to 301,575.90, 451,845.45 and 196,340.70

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Solution

The fourth proportional to 301,575.90, 451,845.45 and 196,340.70 is: 294,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,575.90 : 451,845.45 = 196,340.70 : x
  2. Step 2: Convert to fraction form
    301,575.90/451,845.45 = 196,340.70/x
  3. Step 3: Cross multiply
    301,575.90x = 451,845.45 × 196,340.70
  4. Step 4: Simplify right side
    301,575.90x = 88,715,651,944.82
  5. Step 5: Solve for x
    x = 88,715,651,944.82/301,575.90
  6. Step 6: Final answer
    x = 294,173.55

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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.