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Finding the Fourth Proportional to 317,803.53, 438,576.44 and 174,566.57

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Solution

The fourth proportional to 317,803.53, 438,576.44 and 174,566.57 is: 240,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,803.53 : 438,576.44 = 174,566.57 : x
  2. Step 2: Convert to fraction form
    317,803.53/438,576.44 = 174,566.57/x
  3. Step 3: Cross multiply
    317,803.53x = 438,576.44 × 174,566.57
  4. Step 4: Simplify right side
    317,803.53x = 76,560,786,346.47
  5. Step 5: Solve for x
    x = 76,560,786,346.47/317,803.53
  6. Step 6: Final answer
    x = 240,906.03

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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.