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Finding the Fourth Proportional to 504,999.12, 757,369.08 and 149,930.76

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Solution

The fourth proportional to 504,999.12, 757,369.08 and 149,930.76 is: 224,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,999.12 : 757,369.08 = 149,930.76 : x
  2. Step 2: Convert to fraction form
    504,999.12/757,369.08 = 149,930.76/x
  3. Step 3: Cross multiply
    504,999.12x = 757,369.08 × 149,930.76
  4. Step 4: Simplify right side
    504,999.12x = 113,552,921,764.90
  5. Step 5: Solve for x
    x = 113,552,921,764.90/504,999.12
  6. Step 6: Final answer
    x = 224,857.66

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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.