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Finding the Fourth Proportional to 548,439.43, 822,677.37 and 188,606.74

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Solution

The fourth proportional to 548,439.43, 822,677.37 and 188,606.74 is: 282,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,439.43 : 822,677.37 = 188,606.74 : x
  2. Step 2: Convert to fraction form
    548,439.43/822,677.37 = 188,606.74/x
  3. Step 3: Cross multiply
    548,439.43x = 822,677.37 × 188,606.74
  4. Step 4: Simplify right side
    548,439.43x = 155,162,496,827.47
  5. Step 5: Solve for x
    x = 155,162,496,827.47/548,439.43
  6. Step 6: Final answer
    x = 282,916.38

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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.