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Finding the Fourth Proportional to 341,245.20, 511,176.60 and 193,328.40

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Solution

The fourth proportional to 341,245.20, 511,176.60 and 193,328.40 is: 289,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,245.20 : 511,176.60 = 193,328.40 : x
  2. Step 2: Convert to fraction form
    341,245.20/511,176.60 = 193,328.40/x
  3. Step 3: Cross multiply
    341,245.20x = 511,176.60 × 193,328.40
  4. Step 4: Simplify right side
    341,245.20x = 98,824,954,195.44
  5. Step 5: Solve for x
    x = 98,824,954,195.44/341,245.20
  6. Step 6: Final answer
    x = 289,601.01

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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.