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Finding the Fourth Proportional to 336,658.76, 504,878.70 and 111,958.76

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Solution

The fourth proportional to 336,658.76, 504,878.70 and 111,958.76 is: 167,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,658.76 : 504,878.70 = 111,958.76 : x
  2. Step 2: Convert to fraction form
    336,658.76/504,878.70 = 111,958.76/x
  3. Step 3: Cross multiply
    336,658.76x = 504,878.70 × 111,958.76
  4. Step 4: Simplify right side
    336,658.76x = 56,525,593,202.41
  5. Step 5: Solve for x
    x = 56,525,593,202.41/336,658.76
  6. Step 6: Final answer
    x = 167,901.74

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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.