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Finding the Fourth Proportional to 548,665.33, 822,555.10 and 504,378.58

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Solution

The fourth proportional to 548,665.33, 822,555.10 and 504,378.58 is: 756,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,665.33 : 822,555.10 = 504,378.58 : x
  2. Step 2: Convert to fraction form
    548,665.33/822,555.10 = 504,378.58/x
  3. Step 3: Cross multiply
    548,665.33x = 822,555.10 × 504,378.58
  4. Step 4: Simplify right side
    548,665.33x = 414,879,173,309.76
  5. Step 5: Solve for x
    x = 414,879,173,309.76/548,665.33
  6. Step 6: Final answer
    x = 756,160.72

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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.