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Finding the Fourth Proportional to 456,220.62, 629,331.93 and 265,212.90

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Solution

The fourth proportional to 456,220.62, 629,331.93 and 265,212.90 is: 365,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,220.62 : 629,331.93 = 265,212.90 : x
  2. Step 2: Convert to fraction form
    456,220.62/629,331.93 = 265,212.90/x
  3. Step 3: Cross multiply
    456,220.62x = 629,331.93 × 265,212.90
  4. Step 4: Simplify right side
    456,220.62x = 166,906,946,217.90
  5. Step 5: Solve for x
    x = 166,906,946,217.90/456,220.62
  6. Step 6: Final answer
    x = 365,847.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.