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Finding the Fourth Proportional to 341,197.06, 511,861.19 and 130,818.59

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Solution

The fourth proportional to 341,197.06, 511,861.19 and 130,818.59 is: 196,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,197.06 : 511,861.19 = 130,818.59 : x
  2. Step 2: Convert to fraction form
    341,197.06/511,861.19 = 130,818.59/x
  3. Step 3: Cross multiply
    341,197.06x = 511,861.19 × 130,818.59
  4. Step 4: Simplify right side
    341,197.06x = 66,960,958,497.43
  5. Step 5: Solve for x
    x = 66,960,958,497.43/341,197.06
  6. Step 6: Final answer
    x = 196,253.04

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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.