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Finding the Fourth Proportional to 541,861.88, 747,786.27 and 300,166.94

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Solution

The fourth proportional to 541,861.88, 747,786.27 and 300,166.94 is: 414,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,861.88 : 747,786.27 = 300,166.94 : x
  2. Step 2: Convert to fraction form
    541,861.88/747,786.27 = 300,166.94/x
  3. Step 3: Cross multiply
    541,861.88x = 747,786.27 × 300,166.94
  4. Step 4: Simplify right side
    541,861.88x = 224,460,716,439.91
  5. Step 5: Solve for x
    x = 224,460,716,439.91/541,861.88
  6. Step 6: Final answer
    x = 414,239.73

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1.5x scale

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.