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Finding the Fourth Proportional to 371,362.38, 512,486.29 and 201,596.50

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Solution

The fourth proportional to 371,362.38, 512,486.29 and 201,596.50 is: 278,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,362.38 : 512,486.29 = 201,596.50 : x
  2. Step 2: Convert to fraction form
    371,362.38/512,486.29 = 201,596.50/x
  3. Step 3: Cross multiply
    371,362.38x = 512,486.29 × 201,596.50
  4. Step 4: Simplify right side
    371,362.38x = 103,315,442,361.99
  5. Step 5: Solve for x
    x = 103,315,442,361.99/371,362.38
  6. Step 6: Final answer
    x = 278,206.54

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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.