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Finding the Fourth Proportional to 481,790.76, 722,752.48 and 161,967.44

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Solution

The fourth proportional to 481,790.76, 722,752.48 and 161,967.44 is: 242,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,790.76 : 722,752.48 = 161,967.44 : x
  2. Step 2: Convert to fraction form
    481,790.76/722,752.48 = 161,967.44/x
  3. Step 3: Cross multiply
    481,790.76x = 722,752.48 × 161,967.44
  4. Step 4: Simplify right side
    481,790.76x = 117,062,368,939.25
  5. Step 5: Solve for x
    x = 117,062,368,939.25/481,790.76
  6. Step 6: Final answer
    x = 242,973.46

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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.