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Finding the Fourth Proportional to 548,561.40, 823,168.98 and 244,931.94

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Solution

The fourth proportional to 548,561.40, 823,168.98 and 244,931.94 is: 367,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,561.40 : 823,168.98 = 244,931.94 : x
  2. Step 2: Convert to fraction form
    548,561.40/823,168.98 = 244,931.94/x
  3. Step 3: Cross multiply
    548,561.40x = 823,168.98 × 244,931.94
  4. Step 4: Simplify right side
    548,561.40x = 201,620,375,219.22
  5. Step 5: Solve for x
    x = 201,620,375,219.22/548,561.40
  6. Step 6: Final answer
    x = 367,543.86

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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.