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Finding the Fourth Proportional to 548,907.30, 822,194.55 and 455,595.30

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Solution

The fourth proportional to 548,907.30, 822,194.55 and 455,595.30 is: 682,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,907.30 : 822,194.55 = 455,595.30 : x
  2. Step 2: Convert to fraction form
    548,907.30/822,194.55 = 455,595.30/x
  3. Step 3: Cross multiply
    548,907.30x = 822,194.55 × 455,595.30
  4. Step 4: Simplify right side
    548,907.30x = 374,587,972,665.62
  5. Step 5: Solve for x
    x = 374,587,972,665.62/548,907.30
  6. Step 6: Final answer
    x = 682,424.83

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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.