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Finding the Fourth Proportional to 794,860.72, 1,192,409.64 and 262,438

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Solution

The fourth proportional to 794,860.72, 1,192,409.64 and 262,438 is: 393,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,860.72 : 1,192,409.64 = 262,438 : x
  2. Step 2: Convert to fraction form
    794,860.72/1,192,409.64 = 262,438/x
  3. Step 3: Cross multiply
    794,860.72x = 1,192,409.64 × 262,438
  4. Step 4: Simplify right side
    794,860.72x = 312,933,601,102.32
  5. Step 5: Solve for x
    x = 312,933,601,102.32/794,860.72
  6. Step 6: Final answer
    x = 393,696.14

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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.