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Finding the Fourth Proportional to 548,695.80, 823,028.23 and 149,340.04

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Solution

The fourth proportional to 548,695.80, 823,028.23 and 149,340.04 is: 224,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,695.80 : 823,028.23 = 149,340.04 : x
  2. Step 2: Convert to fraction form
    548,695.80/823,028.23 = 149,340.04/x
  3. Step 3: Cross multiply
    548,695.80x = 823,028.23 × 149,340.04
  4. Step 4: Simplify right side
    548,695.80x = 122,911,066,918.43
  5. Step 5: Solve for x
    x = 122,911,066,918.43/548,695.80
  6. Step 6: Final answer
    x = 224,005.85

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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.