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Finding the Fourth Proportional to 546,807.70, 820,211.55 and 481,853.80

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Solution

The fourth proportional to 546,807.70, 820,211.55 and 481,853.80 is: 722,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,807.70 : 820,211.55 = 481,853.80 : x
  2. Step 2: Convert to fraction form
    546,807.70/820,211.55 = 481,853.80/x
  3. Step 3: Cross multiply
    546,807.70x = 820,211.55 × 481,853.80
  4. Step 4: Simplify right side
    546,807.70x = 395,222,052,171.39
  5. Step 5: Solve for x
    x = 395,222,052,171.39/546,807.70
  6. Step 6: Final answer
    x = 722,780.70

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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.