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Finding the Fourth Proportional to 568,217.52, 851,292.60 and 330,840.54

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Solution

The fourth proportional to 568,217.52, 851,292.60 and 330,840.54 is: 495,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,217.52 : 851,292.60 = 330,840.54 : x
  2. Step 2: Convert to fraction form
    568,217.52/851,292.60 = 330,840.54/x
  3. Step 3: Cross multiply
    568,217.52x = 851,292.60 × 330,840.54
  4. Step 4: Simplify right side
    568,217.52x = 281,642,103,482.00
  5. Step 5: Solve for x
    x = 281,642,103,482.00/568,217.52
  6. Step 6: Final answer
    x = 495,658.96

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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.