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Finding the Fourth Proportional to 334,602.06, 461,720.16 and 198,612.78

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Solution

The fourth proportional to 334,602.06, 461,720.16 and 198,612.78 is: 274,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,602.06 : 461,720.16 = 198,612.78 : x
  2. Step 2: Convert to fraction form
    334,602.06/461,720.16 = 198,612.78/x
  3. Step 3: Cross multiply
    334,602.06x = 461,720.16 × 198,612.78
  4. Step 4: Simplify right side
    334,602.06x = 91,703,524,559.64
  5. Step 5: Solve for x
    x = 91,703,524,559.64/334,602.06
  6. Step 6: Final answer
    x = 274,067.42

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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.