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Finding the Fourth Proportional to 576,469.90, 865,676.85 and 481,602.70

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Solution

The fourth proportional to 576,469.90, 865,676.85 and 481,602.70 is: 723,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,469.90 : 865,676.85 = 481,602.70 : x
  2. Step 2: Convert to fraction form
    576,469.90/865,676.85 = 481,602.70/x
  3. Step 3: Cross multiply
    576,469.90x = 865,676.85 × 481,602.70
  4. Step 4: Simplify right side
    576,469.90x = 416,912,308,287.50
  5. Step 5: Solve for x
    x = 416,912,308,287.50/576,469.90
  6. Step 6: Final answer
    x = 723,216.09

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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.