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Finding the Fourth Proportional to 546,739.20, 820,108.80 and 504,748.80

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Solution

The fourth proportional to 546,739.20, 820,108.80 and 504,748.80 is: 757,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,739.20 : 820,108.80 = 504,748.80 : x
  2. Step 2: Convert to fraction form
    546,739.20/820,108.80 = 504,748.80/x
  3. Step 3: Cross multiply
    546,739.20x = 820,108.80 × 504,748.80
  4. Step 4: Simplify right side
    546,739.20x = 413,948,932,669.44
  5. Step 5: Solve for x
    x = 413,948,932,669.44/546,739.20
  6. Step 6: Final answer
    x = 757,123.20

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1.5x scale

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.