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Finding the Fourth Proportional to 273,451.48, 409,586.72 and 266,759.26

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Solution

The fourth proportional to 273,451.48, 409,586.72 and 266,759.26 is: 399,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,451.48 : 409,586.72 = 266,759.26 : x
  2. Step 2: Convert to fraction form
    273,451.48/409,586.72 = 266,759.26/x
  3. Step 3: Cross multiply
    273,451.48x = 409,586.72 × 266,759.26
  4. Step 4: Simplify right side
    273,451.48x = 109,261,047,975.26
  5. Step 5: Solve for x
    x = 109,261,047,975.26/273,451.48
  6. Step 6: Final answer
    x = 399,562.84

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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.