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Finding the Fourth Proportional to 366,226.75, 549,343.55 and 129,609.55

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Solution

The fourth proportional to 366,226.75, 549,343.55 and 129,609.55 is: 194,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,226.75 : 549,343.55 = 129,609.55 : x
  2. Step 2: Convert to fraction form
    366,226.75/549,343.55 = 129,609.55/x
  3. Step 3: Cross multiply
    366,226.75x = 549,343.55 × 129,609.55
  4. Step 4: Simplify right side
    366,226.75x = 71,200,170,310.90
  5. Step 5: Solve for x
    x = 71,200,170,310.90/366,226.75
  6. Step 6: Final answer
    x = 194,415.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.