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Finding the Fourth Proportional to 548,969.19, 823,532.46 and 169,923.21

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Solution

The fourth proportional to 548,969.19, 823,532.46 and 169,923.21 is: 254,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,969.19 : 823,532.46 = 169,923.21 : x
  2. Step 2: Convert to fraction form
    548,969.19/823,532.46 = 169,923.21/x
  3. Step 3: Cross multiply
    548,969.19x = 823,532.46 × 169,923.21
  4. Step 4: Simplify right side
    548,969.19x = 139,937,279,142.40
  5. Step 5: Solve for x
    x = 139,937,279,142.40/548,969.19
  6. Step 6: Final answer
    x = 254,909.17

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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.