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Finding the Fourth Proportional to 451,940.64, 677,492.48 and 167,472.80

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Solution

The fourth proportional to 451,940.64, 677,492.48 and 167,472.80 is: 251,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,940.64 : 677,492.48 = 167,472.80 : x
  2. Step 2: Convert to fraction form
    451,940.64/677,492.48 = 167,472.80/x
  3. Step 3: Cross multiply
    451,940.64x = 677,492.48 × 167,472.80
  4. Step 4: Simplify right side
    451,940.64x = 113,461,562,604.54
  5. Step 5: Solve for x
    x = 113,461,562,604.54/451,940.64
  6. Step 6: Final answer
    x = 251,054.13

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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.