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Finding the Fourth Proportional to 637,273.20, 955,909.80 and 548,626.80

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Solution

The fourth proportional to 637,273.20, 955,909.80 and 548,626.80 is: 822,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,273.20 : 955,909.80 = 548,626.80 : x
  2. Step 2: Convert to fraction form
    637,273.20/955,909.80 = 548,626.80/x
  3. Step 3: Cross multiply
    637,273.20x = 955,909.80 × 548,626.80
  4. Step 4: Simplify right side
    637,273.20x = 524,437,734,662.64
  5. Step 5: Solve for x
    x = 524,437,734,662.64/637,273.20
  6. Step 6: Final answer
    x = 822,940.20

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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.