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Finding the Fourth Proportional to 546,740.20, 820,110.30 and 504,749.80

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Solution

The fourth proportional to 546,740.20, 820,110.30 and 504,749.80 is: 757,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,740.20 : 820,110.30 = 504,749.80 : x
  2. Step 2: Convert to fraction form
    546,740.20/820,110.30 = 504,749.80/x
  3. Step 3: Cross multiply
    546,740.20x = 820,110.30 × 504,749.80
  4. Step 4: Simplify right side
    546,740.20x = 413,950,509,902.94
  5. Step 5: Solve for x
    x = 413,950,509,902.94/546,740.20
  6. Step 6: Final answer
    x = 757,124.70

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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.