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Finding the Fourth Proportional to 325,790.01, 449,590.32 and 198,465.60

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Solution

The fourth proportional to 325,790.01, 449,590.32 and 198,465.60 is: 273,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,790.01 : 449,590.32 = 198,465.60 : x
  2. Step 2: Convert to fraction form
    325,790.01/449,590.32 = 198,465.60/x
  3. Step 3: Cross multiply
    325,790.01x = 449,590.32 × 198,465.60
  4. Step 4: Simplify right side
    325,790.01x = 89,228,212,612.99
  5. Step 5: Solve for x
    x = 89,228,212,612.99/325,790.01
  6. Step 6: Final answer
    x = 273,882.59

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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.