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Finding the Fourth Proportional to 423,367.44, 634,792.77 and 179,921.67

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Solution

The fourth proportional to 423,367.44, 634,792.77 and 179,921.67 is: 269,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,367.44 : 634,792.77 = 179,921.67 : x
  2. Step 2: Convert to fraction form
    423,367.44/634,792.77 = 179,921.67/x
  3. Step 3: Cross multiply
    423,367.44x = 634,792.77 × 179,921.67
  4. Step 4: Simplify right side
    423,367.44x = 114,212,975,282.33
  5. Step 5: Solve for x
    x = 114,212,975,282.33/423,367.44
  6. Step 6: Final answer
    x = 269,772.70

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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.