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Finding the Fourth Proportional to 548,812.80, 823,279.68 and 174,749.76

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Solution

The fourth proportional to 548,812.80, 823,279.68 and 174,749.76 is: 262,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,812.80 : 823,279.68 = 174,749.76 : x
  2. Step 2: Convert to fraction form
    548,812.80/823,279.68 = 174,749.76/x
  3. Step 3: Cross multiply
    548,812.80x = 823,279.68 × 174,749.76
  4. Step 4: Simplify right side
    548,812.80x = 143,867,926,492.88
  5. Step 5: Solve for x
    x = 143,867,926,492.88/548,812.80
  6. Step 6: Final answer
    x = 262,143.90

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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.