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Finding the Fourth Proportional to 297,848.63, 411,034.27 and 161,882.60

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Solution

The fourth proportional to 297,848.63, 411,034.27 and 161,882.60 is: 223,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,848.63 : 411,034.27 = 161,882.60 : x
  2. Step 2: Convert to fraction form
    297,848.63/411,034.27 = 161,882.60/x
  3. Step 3: Cross multiply
    297,848.63x = 411,034.27 × 161,882.60
  4. Step 4: Simplify right side
    297,848.63x = 66,539,293,856.82
  5. Step 5: Solve for x
    x = 66,539,293,856.82/297,848.63
  6. Step 6: Final answer
    x = 223,399.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.