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Finding the Fourth Proportional to 270,949, 373,909.62 and 151,717

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Solution

The fourth proportional to 270,949, 373,909.62 and 151,717 is: 209,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,949 : 373,909.62 = 151,717 : x
  2. Step 2: Convert to fraction form
    270,949/373,909.62 = 151,717/x
  3. Step 3: Cross multiply
    270,949x = 373,909.62 × 151,717
  4. Step 4: Simplify right side
    270,949x = 56,728,445,817.54
  5. Step 5: Solve for x
    x = 56,728,445,817.54/270,949
  6. Step 6: Final answer
    x = 209,369.46

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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.