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Finding the Fourth Proportional to 341,662.10, 512,930.55 and 181,865.30

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Solution

The fourth proportional to 341,662.10, 512,930.55 and 181,865.30 is: 273,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,662.10 : 512,930.55 = 181,865.30 : x
  2. Step 2: Convert to fraction form
    341,662.10/512,930.55 = 181,865.30/x
  3. Step 3: Cross multiply
    341,662.10x = 512,930.55 × 181,865.30
  4. Step 4: Simplify right side
    341,662.10x = 93,284,268,354.92
  5. Step 5: Solve for x
    x = 93,284,268,354.92/341,662.10
  6. Step 6: Final answer
    x = 273,030.78

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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.