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Finding the Fourth Proportional to 436,015.98, 654,005.61 and 151,771.32

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Solution

The fourth proportional to 436,015.98, 654,005.61 and 151,771.32 is: 227,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,015.98 : 654,005.61 = 151,771.32 : x
  2. Step 2: Convert to fraction form
    436,015.98/654,005.61 = 151,771.32/x
  3. Step 3: Cross multiply
    436,015.98x = 654,005.61 × 151,771.32
  4. Step 4: Simplify right side
    436,015.98x = 99,259,294,717.11
  5. Step 5: Solve for x
    x = 99,259,294,717.11/436,015.98
  6. Step 6: Final answer
    x = 227,650.59

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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.