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Finding the Fourth Proportional to 591,806.70, 816,588.27 and 350,099.46

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Solution

The fourth proportional to 591,806.70, 816,588.27 and 350,099.46 is: 483,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,806.70 : 816,588.27 = 350,099.46 : x
  2. Step 2: Convert to fraction form
    591,806.70/816,588.27 = 350,099.46/x
  3. Step 3: Cross multiply
    591,806.70x = 816,588.27 × 350,099.46
  4. Step 4: Simplify right side
    591,806.70x = 285,887,112,369.33
  5. Step 5: Solve for x
    x = 285,887,112,369.33/591,806.70
  6. Step 6: Final answer
    x = 483,075.15

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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.