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Finding the Fourth Proportional to 546,816.70, 820,225.05 and 481,862.80

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Solution

The fourth proportional to 546,816.70, 820,225.05 and 481,862.80 is: 722,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,816.70 : 820,225.05 = 481,862.80 : x
  2. Step 2: Convert to fraction form
    546,816.70/820,225.05 = 481,862.80/x
  3. Step 3: Cross multiply
    546,816.70x = 820,225.05 × 481,862.80
  4. Step 4: Simplify right side
    546,816.70x = 395,235,939,223.14
  5. Step 5: Solve for x
    x = 395,235,939,223.14/546,816.70
  6. Step 6: Final answer
    x = 722,794.20

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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.