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Finding the Fourth Proportional to 452,450.40, 678,243.60 and 168,064.80

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Solution

The fourth proportional to 452,450.40, 678,243.60 and 168,064.80 is: 251,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,450.40 : 678,243.60 = 168,064.80 : x
  2. Step 2: Convert to fraction form
    452,450.40/678,243.60 = 168,064.80/x
  3. Step 3: Cross multiply
    452,450.40x = 678,243.60 × 168,064.80
  4. Step 4: Simplify right side
    452,450.40x = 113,988,874,985.28
  5. Step 5: Solve for x
    x = 113,988,874,985.28/452,450.40
  6. Step 6: Final answer
    x = 251,936.73

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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.