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Finding the Fourth Proportional to 382,644.99, 573,768.90 and 112,738.10

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Solution

The fourth proportional to 382,644.99, 573,768.90 and 112,738.10 is: 169,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,644.99 : 573,768.90 = 112,738.10 : x
  2. Step 2: Convert to fraction form
    382,644.99/573,768.90 = 112,738.10/x
  3. Step 3: Cross multiply
    382,644.99x = 573,768.90 × 112,738.10
  4. Step 4: Simplify right side
    382,644.99x = 64,685,612,756.25
  5. Step 5: Solve for x
    x = 64,685,612,756.25/382,644.99
  6. Step 6: Final answer
    x = 169,048.63

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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.