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Finding the Fourth Proportional to 546,820.80, 820,231.20 and 493,676.70

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Solution

The fourth proportional to 546,820.80, 820,231.20 and 493,676.70 is: 740,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,820.80 : 820,231.20 = 493,676.70 : x
  2. Step 2: Convert to fraction form
    546,820.80/820,231.20 = 493,676.70/x
  3. Step 3: Cross multiply
    546,820.80x = 820,231.20 × 493,676.70
  4. Step 4: Simplify right side
    546,820.80x = 404,929,032,053.04
  5. Step 5: Solve for x
    x = 404,929,032,053.04/546,820.80
  6. Step 6: Final answer
    x = 740,515.05

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Similar ratio
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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.