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Finding the Fourth Proportional to 557,276.41, 835,914.60 and 136,548.64

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Solution

The fourth proportional to 557,276.41, 835,914.60 and 136,548.64 is: 204,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,276.41 : 835,914.60 = 136,548.64 : x
  2. Step 2: Convert to fraction form
    557,276.41/835,914.60 = 136,548.64/x
  3. Step 3: Cross multiply
    557,276.41x = 835,914.60 × 136,548.64
  4. Step 4: Simplify right side
    557,276.41x = 114,143,001,786.14
  5. Step 5: Solve for x
    x = 114,143,001,786.14/557,276.41
  6. Step 6: Final answer
    x = 204,822.96

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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.