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Finding the Fourth Proportional to 383,601.60, 576,007.20 and 225,950.40

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Solution

The fourth proportional to 383,601.60, 576,007.20 and 225,950.40 is: 339,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,601.60 : 576,007.20 = 225,950.40 : x
  2. Step 2: Convert to fraction form
    383,601.60/576,007.20 = 225,950.40/x
  3. Step 3: Cross multiply
    383,601.60x = 576,007.20 × 225,950.40
  4. Step 4: Simplify right side
    383,601.60x = 130,149,057,242.88
  5. Step 5: Solve for x
    x = 130,149,057,242.88/383,601.60
  6. Step 6: Final answer
    x = 339,281.84

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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.