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Finding the Fourth Proportional to 436,016.98, 654,007.11 and 151,772.32

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Solution

The fourth proportional to 436,016.98, 654,007.11 and 151,772.32 is: 227,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,016.98 : 654,007.11 = 151,772.32 : x
  2. Step 2: Convert to fraction form
    436,016.98/654,007.11 = 151,772.32/x
  3. Step 3: Cross multiply
    436,016.98x = 654,007.11 × 151,772.32
  4. Step 4: Simplify right side
    436,016.98x = 99,260,176,381.20
  5. Step 5: Solve for x
    x = 99,260,176,381.20/436,016.98
  6. Step 6: Final answer
    x = 227,652.09

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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.