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Finding the Fourth Proportional to 590,940.27, 886,687.22 and 291,257.49

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Solution

The fourth proportional to 590,940.27, 886,687.22 and 291,257.49 is: 437,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,940.27 : 886,687.22 = 291,257.49 : x
  2. Step 2: Convert to fraction form
    590,940.27/886,687.22 = 291,257.49/x
  3. Step 3: Cross multiply
    590,940.27x = 886,687.22 × 291,257.49
  4. Step 4: Simplify right side
    590,940.27x = 258,254,294,112.28
  5. Step 5: Solve for x
    x = 258,254,294,112.28/590,940.27
  6. Step 6: Final answer
    x = 437,022.67

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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.