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Finding the Fourth Proportional to 274,670.08, 378,848.74 and 252,081.88

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Solution

The fourth proportional to 274,670.08, 378,848.74 and 252,081.88 is: 347,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,670.08 : 378,848.74 = 252,081.88 : x
  2. Step 2: Convert to fraction form
    274,670.08/378,848.74 = 252,081.88/x
  3. Step 3: Cross multiply
    274,670.08x = 378,848.74 × 252,081.88
  4. Step 4: Simplify right side
    274,670.08x = 95,500,902,614.83
  5. Step 5: Solve for x
    x = 95,500,902,614.83/274,670.08
  6. Step 6: Final answer
    x = 347,693.14

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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.