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Finding the Fourth Proportional to 383,206.68, 574,879.77 and 130,474.26

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Solution

The fourth proportional to 383,206.68, 574,879.77 and 130,474.26 is: 195,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,206.68 : 574,879.77 = 130,474.26 : x
  2. Step 2: Convert to fraction form
    383,206.68/574,879.77 = 130,474.26/x
  3. Step 3: Cross multiply
    383,206.68x = 574,879.77 × 130,474.26
  4. Step 4: Simplify right side
    383,206.68x = 75,007,012,579.72
  5. Step 5: Solve for x
    x = 75,007,012,579.72/383,206.68
  6. Step 6: Final answer
    x = 195,735.14

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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.