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Finding the Fourth Proportional to 548,300.57, 822,462.14 and 169,221.56

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Solution

The fourth proportional to 548,300.57, 822,462.14 and 169,221.56 is: 253,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,300.57 : 822,462.14 = 169,221.56 : x
  2. Step 2: Convert to fraction form
    548,300.57/822,462.14 = 169,221.56/x
  3. Step 3: Cross multiply
    548,300.57x = 822,462.14 × 169,221.56
  4. Step 4: Simplify right side
    548,300.57x = 139,178,322,682.48
  5. Step 5: Solve for x
    x = 139,178,322,682.48/548,300.57
  6. Step 6: Final answer
    x = 253,835.82

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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.