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Finding the Fourth Proportional to 301,710.30, 451,399.05 and 196,734.30

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Solution

The fourth proportional to 301,710.30, 451,399.05 and 196,734.30 is: 294,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,710.30 : 451,399.05 = 196,734.30 : x
  2. Step 2: Convert to fraction form
    301,710.30/451,399.05 = 196,734.30/x
  3. Step 3: Cross multiply
    301,710.30x = 451,399.05 × 196,734.30
  4. Step 4: Simplify right side
    301,710.30x = 88,805,676,122.42
  5. Step 5: Solve for x
    x = 88,805,676,122.42/301,710.30
  6. Step 6: Final answer
    x = 294,340.88

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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.