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Finding the Fourth Proportional to 436,165.35, 654,245.87 and 116,316.51

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Solution

The fourth proportional to 436,165.35, 654,245.87 and 116,316.51 is: 174,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,165.35 : 654,245.87 = 116,316.51 : x
  2. Step 2: Convert to fraction form
    436,165.35/654,245.87 = 116,316.51/x
  3. Step 3: Cross multiply
    436,165.35x = 654,245.87 × 116,316.51
  4. Step 4: Simplify right side
    436,165.35x = 76,099,595,698.73
  5. Step 5: Solve for x
    x = 76,099,595,698.73/436,165.35
  6. Step 6: Final answer
    x = 174,474.19

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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.