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Finding the Fourth Proportional to 341,730.80, 512,596.20 and 131,375.60

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Solution

The fourth proportional to 341,730.80, 512,596.20 and 131,375.60 is: 197,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,730.80 : 512,596.20 = 131,375.60 : x
  2. Step 2: Convert to fraction form
    341,730.80/512,596.20 = 131,375.60/x
  3. Step 3: Cross multiply
    341,730.80x = 512,596.20 × 131,375.60
  4. Step 4: Simplify right side
    341,730.80x = 67,342,633,332.72
  5. Step 5: Solve for x
    x = 67,342,633,332.72/341,730.80
  6. Step 6: Final answer
    x = 197,063.40

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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.