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Finding the Fourth Proportional to 475,406.96, 713,104.94 and 115,579.85

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Solution

The fourth proportional to 475,406.96, 713,104.94 and 115,579.85 is: 173,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,406.96 : 713,104.94 = 115,579.85 : x
  2. Step 2: Convert to fraction form
    475,406.96/713,104.94 = 115,579.85/x
  3. Step 3: Cross multiply
    475,406.96x = 713,104.94 × 115,579.85
  4. Step 4: Simplify right side
    475,406.96x = 82,420,558,722.88
  5. Step 5: Solve for x
    x = 82,420,558,722.88/475,406.96
  6. Step 6: Final answer
    x = 173,368.43

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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.