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Finding the Fourth Proportional to 334,626.88, 461,794.72 and 189,421.44

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Solution

The fourth proportional to 334,626.88, 461,794.72 and 189,421.44 is: 261,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,626.88 : 461,794.72 = 189,421.44 : x
  2. Step 2: Convert to fraction form
    334,626.88/461,794.72 = 189,421.44/x
  3. Step 3: Cross multiply
    334,626.88x = 461,794.72 × 189,421.44
  4. Step 4: Simplify right side
    334,626.88x = 87,473,820,846.80
  5. Step 5: Solve for x
    x = 87,473,820,846.80/334,626.88
  6. Step 6: Final answer
    x = 261,407.04

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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.