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Finding the Fourth Proportional to 408,556.78, 612,829.33 and 183,757.75

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Solution

The fourth proportional to 408,556.78, 612,829.33 and 183,757.75 is: 275,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,556.78 : 612,829.33 = 183,757.75 : x
  2. Step 2: Convert to fraction form
    408,556.78/612,829.33 = 183,757.75/x
  3. Step 3: Cross multiply
    408,556.78x = 612,829.33 × 183,757.75
  4. Step 4: Simplify right side
    408,556.78x = 112,612,136,823.34
  5. Step 5: Solve for x
    x = 112,612,136,823.34/408,556.78
  6. Step 6: Final answer
    x = 275,634.00

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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.