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Finding the Fourth Proportional to 607,893.50, 911,840.26 and 164,661.50

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Solution

The fourth proportional to 607,893.50, 911,840.26 and 164,661.50 is: 246,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,893.50 : 911,840.26 = 164,661.50 : x
  2. Step 2: Convert to fraction form
    607,893.50/911,840.26 = 164,661.50/x
  3. Step 3: Cross multiply
    607,893.50x = 911,840.26 × 164,661.50
  4. Step 4: Simplify right side
    607,893.50x = 150,144,984,971.99
  5. Step 5: Solve for x
    x = 150,144,984,971.99/607,893.50
  6. Step 6: Final answer
    x = 246,992.25

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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.