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Finding the Fourth Proportional to 633,724.80, 950,932.80 and 259,785.60

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Solution

The fourth proportional to 633,724.80, 950,932.80 and 259,785.60 is: 389,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,724.80 : 950,932.80 = 259,785.60 : x
  2. Step 2: Convert to fraction form
    633,724.80/950,932.80 = 259,785.60/x
  3. Step 3: Cross multiply
    633,724.80x = 950,932.80 × 259,785.60
  4. Step 4: Simplify right side
    633,724.80x = 247,038,648,007.68
  5. Step 5: Solve for x
    x = 247,038,648,007.68/633,724.80
  6. Step 6: Final answer
    x = 389,820.07

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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.