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Finding the Fourth Proportional to 548,433.27, 822,648.24 and 193,361.67

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Solution

The fourth proportional to 548,433.27, 822,648.24 and 193,361.67 is: 290,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,433.27 : 822,648.24 = 193,361.67 : x
  2. Step 2: Convert to fraction form
    548,433.27/822,648.24 = 193,361.67/x
  3. Step 3: Cross multiply
    548,433.27x = 822,648.24 × 193,361.67
  4. Step 4: Simplify right side
    548,433.27x = 159,068,637,508.96
  5. Step 5: Solve for x
    x = 159,068,637,508.96/548,433.27
  6. Step 6: Final answer
    x = 290,041.92

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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.