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Finding the Fourth Proportional to 334,820.36, 461,847.48 and 198,761.96

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Solution

The fourth proportional to 334,820.36, 461,847.48 and 198,761.96 is: 274,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,820.36 : 461,847.48 = 198,761.96 : x
  2. Step 2: Convert to fraction form
    334,820.36/461,847.48 = 198,761.96/x
  3. Step 3: Cross multiply
    334,820.36x = 461,847.48 × 198,761.96
  4. Step 4: Simplify right side
    334,820.36x = 91,797,710,345.86
  5. Step 5: Solve for x
    x = 91,797,710,345.86/334,820.36
  6. Step 6: Final answer
    x = 274,170.04

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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.