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Finding the Fourth Proportional to 334,728.72, 461,893.59 and 198,739.44

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Solution

The fourth proportional to 334,728.72, 461,893.59 and 198,739.44 is: 274,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,728.72 : 461,893.59 = 198,739.44 : x
  2. Step 2: Convert to fraction form
    334,728.72/461,893.59 = 198,739.44/x
  3. Step 3: Cross multiply
    334,728.72x = 461,893.59 × 198,739.44
  4. Step 4: Simplify right side
    334,728.72x = 91,796,473,416.19
  5. Step 5: Solve for x
    x = 91,796,473,416.19/334,728.72
  6. Step 6: Final answer
    x = 274,241.40

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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.