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Finding the Fourth Proportional to 302,093.40, 452,621.70 and 196,858.20

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Solution

The fourth proportional to 302,093.40, 452,621.70 and 196,858.20 is: 294,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,093.40 : 452,621.70 = 196,858.20 : x
  2. Step 2: Convert to fraction form
    302,093.40/452,621.70 = 196,858.20/x
  3. Step 3: Cross multiply
    302,093.40x = 452,621.70 × 196,858.20
  4. Step 4: Simplify right side
    302,093.40x = 89,102,293,142.94
  5. Step 5: Solve for x
    x = 89,102,293,142.94/302,093.40
  6. Step 6: Final answer
    x = 294,949.49

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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.