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Finding the Fourth Proportional to 482,657.31, 666,098.37 and 267,821.01

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Solution

The fourth proportional to 482,657.31, 666,098.37 and 267,821.01 is: 369,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,657.31 : 666,098.37 = 267,821.01 : x
  2. Step 2: Convert to fraction form
    482,657.31/666,098.37 = 267,821.01/x
  3. Step 3: Cross multiply
    482,657.31x = 666,098.37 × 267,821.01
  4. Step 4: Simplify right side
    482,657.31x = 178,395,138,212.75
  5. Step 5: Solve for x
    x = 178,395,138,212.75/482,657.31
  6. Step 6: Final answer
    x = 369,610.35

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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.