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Finding the Fourth Proportional to 531,668.36, 797,606.34 and 171,928.58

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Solution

The fourth proportional to 531,668.36, 797,606.34 and 171,928.58 is: 257,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,668.36 : 797,606.34 = 171,928.58 : x
  2. Step 2: Convert to fraction form
    531,668.36/797,606.34 = 171,928.58/x
  3. Step 3: Cross multiply
    531,668.36x = 797,606.34 × 171,928.58
  4. Step 4: Simplify right side
    531,668.36x = 137,131,321,769.53
  5. Step 5: Solve for x
    x = 137,131,321,769.53/531,668.36
  6. Step 6: Final answer
    x = 257,926.43

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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.