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Finding the Fourth Proportional to 383,002.80, 574,504.20 and 264,904.80

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Solution

The fourth proportional to 383,002.80, 574,504.20 and 264,904.80 is: 397,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,002.80 : 574,504.20 = 264,904.80 : x
  2. Step 2: Convert to fraction form
    383,002.80/574,504.20 = 264,904.80/x
  3. Step 3: Cross multiply
    383,002.80x = 574,504.20 × 264,904.80
  4. Step 4: Simplify right side
    383,002.80x = 152,188,920,200.16
  5. Step 5: Solve for x
    x = 152,188,920,200.16/383,002.80
  6. Step 6: Final answer
    x = 397,357.20

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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.