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Finding the Fourth Proportional to 268,376.24, 370,375.80 and 223,586.48

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Solution

The fourth proportional to 268,376.24, 370,375.80 and 223,586.48 is: 308,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,376.24 : 370,375.80 = 223,586.48 : x
  2. Step 2: Convert to fraction form
    268,376.24/370,375.80 = 223,586.48/x
  3. Step 3: Cross multiply
    268,376.24x = 370,375.80 × 223,586.48
  4. Step 4: Simplify right side
    268,376.24x = 82,811,021,399.18
  5. Step 5: Solve for x
    x = 82,811,021,399.18/268,376.24
  6. Step 6: Final answer
    x = 308,563.16

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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.