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Finding the Fourth Proportional to 548,328.97, 822,176.87 and 169,147.89

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Solution

The fourth proportional to 548,328.97, 822,176.87 and 169,147.89 is: 253,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,328.97 : 822,176.87 = 169,147.89 : x
  2. Step 2: Convert to fraction form
    548,328.97/822,176.87 = 169,147.89/x
  3. Step 3: Cross multiply
    548,328.97x = 822,176.87 × 169,147.89
  4. Step 4: Simplify right side
    548,328.97x = 139,069,481,921.57
  5. Step 5: Solve for x
    x = 139,069,481,921.57/548,328.97
  6. Step 6: Final answer
    x = 253,624.17

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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.