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Finding the Fourth Proportional to 603,851.66, 833,500.97 and 388,991.06

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Solution

The fourth proportional to 603,851.66, 833,500.97 and 388,991.06 is: 536,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,851.66 : 833,500.97 = 388,991.06 : x
  2. Step 2: Convert to fraction form
    603,851.66/833,500.97 = 388,991.06/x
  3. Step 3: Cross multiply
    603,851.66x = 833,500.97 × 388,991.06
  4. Step 4: Simplify right side
    603,851.66x = 324,224,419,718.87
  5. Step 5: Solve for x
    x = 324,224,419,718.87/603,851.66
  6. Step 6: Final answer
    x = 536,927.27

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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.