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Finding the Fourth Proportional to 248,450.91, 371,976.53 and 223,256.67

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Solution

The fourth proportional to 248,450.91, 371,976.53 and 223,256.67 is: 334,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,450.91 : 371,976.53 = 223,256.67 : x
  2. Step 2: Convert to fraction form
    248,450.91/371,976.53 = 223,256.67/x
  3. Step 3: Cross multiply
    248,450.91x = 371,976.53 × 223,256.67
  4. Step 4: Simplify right side
    248,450.91x = 83,046,240,289.67
  5. Step 5: Solve for x
    x = 83,046,240,289.67/248,450.91
  6. Step 6: Final answer
    x = 334,256.13

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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.