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Finding the Fourth Proportional to 504,771.60, 756,993.51 and 167,721.75

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Solution

The fourth proportional to 504,771.60, 756,993.51 and 167,721.75 is: 251,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,771.60 : 756,993.51 = 167,721.75 : x
  2. Step 2: Convert to fraction form
    504,771.60/756,993.51 = 167,721.75/x
  3. Step 3: Cross multiply
    504,771.60x = 756,993.51 × 167,721.75
  4. Step 4: Simplify right side
    504,771.60x = 126,964,276,235.84
  5. Step 5: Solve for x
    x = 126,964,276,235.84/504,771.60
  6. Step 6: Final answer
    x = 251,528.17

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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.