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Finding the Fourth Proportional to 522,701.56, 783,978.54 and 167,669.44

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Solution

The fourth proportional to 522,701.56, 783,978.54 and 167,669.44 is: 251,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,701.56 : 783,978.54 = 167,669.44 : x
  2. Step 2: Convert to fraction form
    522,701.56/783,978.54 = 167,669.44/x
  3. Step 3: Cross multiply
    522,701.56x = 783,978.54 × 167,669.44
  4. Step 4: Simplify right side
    522,701.56x = 131,449,242,773.82
  5. Step 5: Solve for x
    x = 131,449,242,773.82/522,701.56
  6. Step 6: Final answer
    x = 251,480.49

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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.