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Finding the Fourth Proportional to 455,359.44, 682,914.45 and 171,028.02

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Solution

The fourth proportional to 455,359.44, 682,914.45 and 171,028.02 is: 256,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,359.44 : 682,914.45 = 171,028.02 : x
  2. Step 2: Convert to fraction form
    455,359.44/682,914.45 = 171,028.02/x
  3. Step 3: Cross multiply
    455,359.44x = 682,914.45 × 171,028.02
  4. Step 4: Simplify right side
    455,359.44x = 116,797,506,212.89
  5. Step 5: Solve for x
    x = 116,797,506,212.89/455,359.44
  6. Step 6: Final answer
    x = 256,495.19

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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.