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Finding the Fourth Proportional to 437,239.91, 656,233.70 and 171,187.26

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Solution

The fourth proportional to 437,239.91, 656,233.70 and 171,187.26 is: 256,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,239.91 : 656,233.70 = 171,187.26 : x
  2. Step 2: Convert to fraction form
    437,239.91/656,233.70 = 171,187.26/x
  3. Step 3: Cross multiply
    437,239.91x = 656,233.70 × 171,187.26
  4. Step 4: Simplify right side
    437,239.91x = 112,338,845,741.49
  5. Step 5: Solve for x
    x = 112,338,845,741.49/437,239.91
  6. Step 6: Final answer
    x = 256,927.25

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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.