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Finding the Fourth Proportional to 471,379.88, 706,650.62 and 171,804.04

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Solution

The fourth proportional to 471,379.88, 706,650.62 and 171,804.04 is: 257,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,379.88 : 706,650.62 = 171,804.04 : x
  2. Step 2: Convert to fraction form
    471,379.88/706,650.62 = 171,804.04/x
  3. Step 3: Cross multiply
    471,379.88x = 706,650.62 × 171,804.04
  4. Step 4: Simplify right side
    471,379.88x = 121,405,431,384.51
  5. Step 5: Solve for x
    x = 121,405,431,384.51/471,379.88
  6. Step 6: Final answer
    x = 257,553.27

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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.