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Finding the Fourth Proportional to 329,437.05, 494,155.58 and 196,467.45

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Solution

The fourth proportional to 329,437.05, 494,155.58 and 196,467.45 is: 294,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,437.05 : 494,155.58 = 196,467.45 : x
  2. Step 2: Convert to fraction form
    329,437.05/494,155.58 = 196,467.45/x
  3. Step 3: Cross multiply
    329,437.05x = 494,155.58 × 196,467.45
  4. Step 4: Simplify right side
    329,437.05x = 97,085,485,723.53
  5. Step 5: Solve for x
    x = 97,085,485,723.53/329,437.05
  6. Step 6: Final answer
    x = 294,701.18

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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.