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Finding the Fourth Proportional to 342,336.60, 513,077.22 and 236,310.84

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Solution

The fourth proportional to 342,336.60, 513,077.22 and 236,310.84 is: 354,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,336.60 : 513,077.22 = 236,310.84 : x
  2. Step 2: Convert to fraction form
    342,336.60/513,077.22 = 236,310.84/x
  3. Step 3: Cross multiply
    342,336.60x = 513,077.22 × 236,310.84
  4. Step 4: Simplify right side
    342,336.60x = 121,245,708,843.07
  5. Step 5: Solve for x
    x = 121,245,708,843.07/342,336.60
  6. Step 6: Final answer
    x = 354,171.04

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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.