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Finding the Fourth Proportional to 546,810.70, 820,216.05 and 481,856.80

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Solution

The fourth proportional to 546,810.70, 820,216.05 and 481,856.80 is: 722,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,810.70 : 820,216.05 = 481,856.80 : x
  2. Step 2: Convert to fraction form
    546,810.70/820,216.05 = 481,856.80/x
  3. Step 3: Cross multiply
    546,810.70x = 820,216.05 × 481,856.80
  4. Step 4: Simplify right side
    546,810.70x = 395,226,681,161.64
  5. Step 5: Solve for x
    x = 395,226,681,161.64/546,810.70
  6. Step 6: Final answer
    x = 722,785.20

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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.