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Finding the Fourth Proportional to 350,848, 484,181.76 and 191,872

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Solution

The fourth proportional to 350,848, 484,181.76 and 191,872 is: 264,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,848 : 484,181.76 = 191,872 : x
  2. Step 2: Convert to fraction form
    350,848/484,181.76 = 191,872/x
  3. Step 3: Cross multiply
    350,848x = 484,181.76 × 191,872
  4. Step 4: Simplify right side
    350,848x = 92,900,922,654.72
  5. Step 5: Solve for x
    x = 92,900,922,654.72/350,848
  6. Step 6: Final answer
    x = 264,789.66

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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.