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Finding the Fourth Proportional to 273,357.80, 410,036.70 and 262,860.20

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Solution

The fourth proportional to 273,357.80, 410,036.70 and 262,860.20 is: 394,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,357.80 : 410,036.70 = 262,860.20 : x
  2. Step 2: Convert to fraction form
    273,357.80/410,036.70 = 262,860.20/x
  3. Step 3: Cross multiply
    273,357.80x = 410,036.70 × 262,860.20
  4. Step 4: Simplify right side
    273,357.80x = 107,782,328,969.34
  5. Step 5: Solve for x
    x = 107,782,328,969.34/273,357.80
  6. Step 6: Final answer
    x = 394,290.30

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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.