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Finding the Fourth Proportional to 511,076.92, 704,900.46 and 480,940.60

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Solution

The fourth proportional to 511,076.92, 704,900.46 and 480,940.60 is: 663,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,076.92 : 704,900.46 = 480,940.60 : x
  2. Step 2: Convert to fraction form
    511,076.92/704,900.46 = 480,940.60/x
  3. Step 3: Cross multiply
    511,076.92x = 704,900.46 × 480,940.60
  4. Step 4: Simplify right side
    511,076.92x = 339,015,250,172.68
  5. Step 5: Solve for x
    x = 339,015,250,172.68/511,076.92
  6. Step 6: Final answer
    x = 663,335.08

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1.5x scale

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.