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Finding the Fourth Proportional to 556,588.34, 768,093.40 and 301,939.56

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Solution

The fourth proportional to 556,588.34, 768,093.40 and 301,939.56 is: 416,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,588.34 : 768,093.40 = 301,939.56 : x
  2. Step 2: Convert to fraction form
    556,588.34/768,093.40 = 301,939.56/x
  3. Step 3: Cross multiply
    556,588.34x = 768,093.40 × 301,939.56
  4. Step 4: Simplify right side
    556,588.34x = 231,917,783,234.90
  5. Step 5: Solve for x
    x = 231,917,783,234.90/556,588.34
  6. Step 6: Final answer
    x = 416,677.40

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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.