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Finding the Fourth Proportional to 456,157.44, 629,441.28 and 265,213.44

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Solution

The fourth proportional to 456,157.44, 629,441.28 and 265,213.44 is: 365,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,157.44 : 629,441.28 = 265,213.44 : x
  2. Step 2: Convert to fraction form
    456,157.44/629,441.28 = 265,213.44/x
  3. Step 3: Cross multiply
    456,157.44x = 629,441.28 × 265,213.44
  4. Step 4: Simplify right side
    456,157.44x = 166,936,287,146.80
  5. Step 5: Solve for x
    x = 166,936,287,146.80/456,157.44
  6. Step 6: Final answer
    x = 365,962.00

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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.