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Finding the Fourth Proportional to 320,851.77, 481,750.77 and 178,974.24

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Solution

The fourth proportional to 320,851.77, 481,750.77 and 178,974.24 is: 268,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851.77 : 481,750.77 = 178,974.24 : x
  2. Step 2: Convert to fraction form
    320,851.77/481,750.77 = 178,974.24/x
  3. Step 3: Cross multiply
    320,851.77x = 481,750.77 × 178,974.24
  4. Step 4: Simplify right side
    320,851.77x = 86,220,977,930.16
  5. Step 5: Solve for x
    x = 86,220,977,930.16/320,851.77
  6. Step 6: Final answer
    x = 268,725.27

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1.5x scale

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.