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Finding the Fourth Proportional to 317,936.29, 438,751.93 and 174,705.56

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Solution

The fourth proportional to 317,936.29, 438,751.93 and 174,705.56 is: 241,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,936.29 : 438,751.93 = 174,705.56 : x
  2. Step 2: Convert to fraction form
    317,936.29/438,751.93 = 174,705.56/x
  3. Step 3: Cross multiply
    317,936.29x = 438,751.93 × 174,705.56
  4. Step 4: Simplify right side
    317,936.29x = 76,652,401,631.73
  5. Step 5: Solve for x
    x = 76,652,401,631.73/317,936.29
  6. Step 6: Final answer
    x = 241,093.59

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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.