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Finding the Fourth Proportional to 606,705.34, 837,556.49 and 377,336.56

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Solution

The fourth proportional to 606,705.34, 837,556.49 and 377,336.56 is: 520,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,705.34 : 837,556.49 = 377,336.56 : x
  2. Step 2: Convert to fraction form
    606,705.34/837,556.49 = 377,336.56/x
  3. Step 3: Cross multiply
    606,705.34x = 837,556.49 × 377,336.56
  4. Step 4: Simplify right side
    606,705.34x = 316,040,684,742.27
  5. Step 5: Solve for x
    x = 316,040,684,742.27/606,705.34
  6. Step 6: Final answer
    x = 520,912.98

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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.