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Finding the Fourth Proportional to 629,619.80, 944,544.90 and 255,680.60

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Solution

The fourth proportional to 629,619.80, 944,544.90 and 255,680.60 is: 383,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,619.80 : 944,544.90 = 255,680.60 : x
  2. Step 2: Convert to fraction form
    629,619.80/944,544.90 = 255,680.60/x
  3. Step 3: Cross multiply
    629,619.80x = 944,544.90 × 255,680.60
  4. Step 4: Simplify right side
    629,619.80x = 241,501,806,758.94
  5. Step 5: Solve for x
    x = 241,501,806,758.94/629,619.80
  6. Step 6: Final answer
    x = 383,567.68

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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.