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Finding the Fourth Proportional to 481,577.86, 722,414.49 and 178,051.60

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Solution

The fourth proportional to 481,577.86, 722,414.49 and 178,051.60 is: 267,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,577.86 : 722,414.49 = 178,051.60 : x
  2. Step 2: Convert to fraction form
    481,577.86/722,414.49 = 178,051.60/x
  3. Step 3: Cross multiply
    481,577.86x = 722,414.49 × 178,051.60
  4. Step 4: Simplify right side
    481,577.86x = 128,627,055,807.68
  5. Step 5: Solve for x
    x = 128,627,055,807.68/481,577.86
  6. Step 6: Final answer
    x = 267,095.04

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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.