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Finding the Fourth Proportional to 548,329.97, 822,178.36 and 169,148.89

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Solution

The fourth proportional to 548,329.97, 822,178.36 and 169,148.89 is: 253,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,329.97 : 822,178.36 = 169,148.89 : x
  2. Step 2: Convert to fraction form
    548,329.97/822,178.36 = 169,148.89/x
  3. Step 3: Cross multiply
    548,329.97x = 822,178.36 × 169,148.89
  4. Step 4: Simplify right side
    548,329.97x = 139,070,556,976.02
  5. Step 5: Solve for x
    x = 139,070,556,976.02/548,329.97
  6. Step 6: Final answer
    x = 253,625.67

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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.