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Finding the Fourth Proportional to 325,465.96, 449,187.30 and 196,410.76

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Solution

The fourth proportional to 325,465.96, 449,187.30 and 196,410.76 is: 271,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,465.96 : 449,187.30 = 196,410.76 : x
  2. Step 2: Convert to fraction form
    325,465.96/449,187.30 = 196,410.76/x
  3. Step 3: Cross multiply
    325,465.96x = 449,187.30 × 196,410.76
  4. Step 4: Simplify right side
    325,465.96x = 88,225,218,975.35
  5. Step 5: Solve for x
    x = 88,225,218,975.35/325,465.96
  6. Step 6: Final answer
    x = 271,073.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.