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Finding the Fourth Proportional to 504,768.60, 756,989.02 and 167,718.72

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Solution

The fourth proportional to 504,768.60, 756,989.02 and 167,718.72 is: 251,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,768.60 : 756,989.02 = 167,718.72 : x
  2. Step 2: Convert to fraction form
    504,768.60/756,989.02 = 167,718.72/x
  3. Step 3: Cross multiply
    504,768.60x = 756,989.02 × 167,718.72
  4. Step 4: Simplify right side
    504,768.60x = 126,961,229,488.45
  5. Step 5: Solve for x
    x = 126,961,229,488.45/504,768.60
  6. Step 6: Final answer
    x = 251,523.63

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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.