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Finding the Fourth Proportional to 504,910.67, 757,281.62 and 167,986.91

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Solution

The fourth proportional to 504,910.67, 757,281.62 and 167,986.91 is: 251,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,910.67 : 757,281.62 = 167,986.91 : x
  2. Step 2: Convert to fraction form
    504,910.67/757,281.62 = 167,986.91/x
  3. Step 3: Cross multiply
    504,910.67x = 757,281.62 × 167,986.91
  4. Step 4: Simplify right side
    504,910.67x = 127,213,401,656.77
  5. Step 5: Solve for x
    x = 127,213,401,656.77/504,910.67
  6. Step 6: Final answer
    x = 251,952.30

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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.