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Finding the Fourth Proportional to 576,313.20, 864,469.80 and 546,788.70

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Solution

The fourth proportional to 576,313.20, 864,469.80 and 546,788.70 is: 820,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,313.20 : 864,469.80 = 546,788.70 : x
  2. Step 2: Convert to fraction form
    576,313.20/864,469.80 = 546,788.70/x
  3. Step 3: Cross multiply
    576,313.20x = 864,469.80 × 546,788.70
  4. Step 4: Simplify right side
    576,313.20x = 472,682,318,131.26
  5. Step 5: Solve for x
    x = 472,682,318,131.26/576,313.20
  6. Step 6: Final answer
    x = 820,183.05

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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.