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Finding the Fourth Proportional to 444,420.78, 666,714.06 and 178,202.13

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Solution

The fourth proportional to 444,420.78, 666,714.06 and 178,202.13 is: 267,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,420.78 : 666,714.06 = 178,202.13 : x
  2. Step 2: Convert to fraction form
    444,420.78/666,714.06 = 178,202.13/x
  3. Step 3: Cross multiply
    444,420.78x = 666,714.06 × 178,202.13
  4. Step 4: Simplify right side
    444,420.78x = 118,809,865,592.95
  5. Step 5: Solve for x
    x = 118,809,865,592.95/444,420.78
  6. Step 6: Final answer
    x = 267,336.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.