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Finding the Fourth Proportional to 447,980.38, 671,615.36 and 234,707.39

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Solution

The fourth proportional to 447,980.38, 671,615.36 and 234,707.39 is: 351,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,980.38 : 671,615.36 = 234,707.39 : x
  2. Step 2: Convert to fraction form
    447,980.38/671,615.36 = 234,707.39/x
  3. Step 3: Cross multiply
    447,980.38x = 671,615.36 × 234,707.39
  4. Step 4: Simplify right side
    447,980.38x = 157,633,085,604.37
  5. Step 5: Solve for x
    x = 157,633,085,604.37/447,980.38
  6. Step 6: Final answer
    x = 351,874.98

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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.