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Finding the Fourth Proportional to 307,594.59, 424,481.70 and 171,634.27

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Solution

The fourth proportional to 307,594.59, 424,481.70 and 171,634.27 is: 236,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,594.59 : 424,481.70 = 171,634.27 : x
  2. Step 2: Convert to fraction form
    307,594.59/424,481.70 = 171,634.27/x
  3. Step 3: Cross multiply
    307,594.59x = 424,481.70 × 171,634.27
  4. Step 4: Simplify right side
    307,594.59x = 72,855,604,585.45
  5. Step 5: Solve for x
    x = 72,855,604,585.45/307,594.59
  6. Step 6: Final answer
    x = 236,855.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.