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Finding the Fourth Proportional to 375,766.41, 518,556.56 and 206,000.67

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Solution

The fourth proportional to 375,766.41, 518,556.56 and 206,000.67 is: 284,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,766.41 : 518,556.56 = 206,000.67 : x
  2. Step 2: Convert to fraction form
    375,766.41/518,556.56 = 206,000.67/x
  3. Step 3: Cross multiply
    375,766.41x = 518,556.56 × 206,000.67
  4. Step 4: Simplify right side
    375,766.41x = 106,822,997,762.89
  5. Step 5: Solve for x
    x = 106,822,997,762.89/375,766.41
  6. Step 6: Final answer
    x = 284,280.33

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1.5x scale

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.