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Finding the Fourth Proportional to 455,522.64, 628,621.24 and 264,548.32

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Solution

The fourth proportional to 455,522.64, 628,621.24 and 264,548.32 is: 365,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,522.64 : 628,621.24 = 264,548.32 : x
  2. Step 2: Convert to fraction form
    455,522.64/628,621.24 = 264,548.32/x
  3. Step 3: Cross multiply
    455,522.64x = 628,621.24 × 264,548.32
  4. Step 4: Simplify right side
    455,522.64x = 166,300,692,958.32
  5. Step 5: Solve for x
    x = 166,300,692,958.32/455,522.64
  6. Step 6: Final answer
    x = 365,076.68

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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.