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Finding the Fourth Proportional to 631,787.80, 946,299.30 and 548,843.80

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Solution

The fourth proportional to 631,787.80, 946,299.30 and 548,843.80 is: 822,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,787.80 : 946,299.30 = 548,843.80 : x
  2. Step 2: Convert to fraction form
    631,787.80/946,299.30 = 548,843.80/x
  3. Step 3: Cross multiply
    631,787.80x = 946,299.30 × 548,843.80
  4. Step 4: Simplify right side
    631,787.80x = 519,370,503,749.34
  5. Step 5: Solve for x
    x = 519,370,503,749.34/631,787.80
  6. Step 6: Final answer
    x = 822,064.79

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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.