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Finding the Fourth Proportional to 447,936, 671,973.12 and 167,493.12

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Solution

The fourth proportional to 447,936, 671,973.12 and 167,493.12 is: 251,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,936 : 671,973.12 = 167,493.12 : x
  2. Step 2: Convert to fraction form
    447,936/671,973.12 = 167,493.12/x
  3. Step 3: Cross multiply
    447,936x = 671,973.12 × 167,493.12
  4. Step 4: Simplify right side
    447,936x = 112,550,874,424.93
  5. Step 5: Solve for x
    x = 112,550,874,424.93/447,936
  6. Step 6: Final answer
    x = 251,265.53

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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.