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Finding the Fourth Proportional to 504,779.64, 757,005.62 and 167,729.82

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Solution

The fourth proportional to 504,779.64, 757,005.62 and 167,729.82 is: 251,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,779.64 : 757,005.62 = 167,729.82 : x
  2. Step 2: Convert to fraction form
    504,779.64/757,005.62 = 167,729.82/x
  3. Step 3: Cross multiply
    504,779.64x = 757,005.62 × 167,729.82
  4. Step 4: Simplify right side
    504,779.64x = 126,972,415,542.94
  5. Step 5: Solve for x
    x = 126,972,415,542.94/504,779.64
  6. Step 6: Final answer
    x = 251,540.29

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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.