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Finding the Fourth Proportional to 533,788.80, 799,516.80 and 414,524.40

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Solution

The fourth proportional to 533,788.80, 799,516.80 and 414,524.40 is: 620,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,788.80 : 799,516.80 = 414,524.40 : x
  2. Step 2: Convert to fraction form
    533,788.80/799,516.80 = 414,524.40/x
  3. Step 3: Cross multiply
    533,788.80x = 799,516.80 × 414,524.40
  4. Step 4: Simplify right side
    533,788.80x = 331,419,221,809.92
  5. Step 5: Solve for x
    x = 331,419,221,809.92/533,788.80
  6. Step 6: Final answer
    x = 620,880.81

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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.