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Finding the Fourth Proportional to 482,782.44, 666,319.50 and 267,991.32

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Solution

The fourth proportional to 482,782.44, 666,319.50 and 267,991.32 is: 369,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,782.44 : 666,319.50 = 267,991.32 : x
  2. Step 2: Convert to fraction form
    482,782.44/666,319.50 = 267,991.32/x
  3. Step 3: Cross multiply
    482,782.44x = 666,319.50 × 267,991.32
  4. Step 4: Simplify right side
    482,782.44x = 178,567,842,346.74
  5. Step 5: Solve for x
    x = 178,567,842,346.74/482,782.44
  6. Step 6: Final answer
    x = 369,872.28

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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.