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Finding the Fourth Proportional to 505,027.94, 757,288.58 and 167,949.88

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Solution

The fourth proportional to 505,027.94, 757,288.58 and 167,949.88 is: 251,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,027.94 : 757,288.58 = 167,949.88 : x
  2. Step 2: Convert to fraction form
    505,027.94/757,288.58 = 167,949.88/x
  3. Step 3: Cross multiply
    505,027.94x = 757,288.58 × 167,949.88
  4. Step 4: Simplify right side
    505,027.94x = 127,186,523,403.40
  5. Step 5: Solve for x
    x = 127,186,523,403.40/505,027.94
  6. Step 6: Final answer
    x = 251,840.57

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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.