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Finding the Fourth Proportional to 436,670.36, 654,999.69 and 112,456.67

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Solution

The fourth proportional to 436,670.36, 654,999.69 and 112,456.67 is: 168,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,670.36 : 654,999.69 = 112,456.67 : x
  2. Step 2: Convert to fraction form
    436,670.36/654,999.69 = 112,456.67/x
  3. Step 3: Cross multiply
    436,670.36x = 654,999.69 × 112,456.67
  4. Step 4: Simplify right side
    436,670.36x = 73,659,080,151.15
  5. Step 5: Solve for x
    x = 73,659,080,151.15/436,670.36
  6. Step 6: Final answer
    x = 168,683.49

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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.