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Finding the Fourth Proportional to 504,629.15, 757,089.83 and 149,651.72

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Solution

The fourth proportional to 504,629.15, 757,089.83 and 149,651.72 is: 224,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,629.15 : 757,089.83 = 149,651.72 : x
  2. Step 2: Convert to fraction form
    504,629.15/757,089.83 = 149,651.72/x
  3. Step 3: Cross multiply
    504,629.15x = 757,089.83 × 149,651.72
  4. Step 4: Simplify right side
    504,629.15x = 113,299,795,254.01
  5. Step 5: Solve for x
    x = 113,299,795,254.01/504,629.15
  6. Step 6: Final answer
    x = 224,520.91

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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.