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Finding the Fourth Proportional to 307,586, 424,494.60 and 173,475.92

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Solution

The fourth proportional to 307,586, 424,494.60 and 173,475.92 is: 239,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,586 : 424,494.60 = 173,475.92 : x
  2. Step 2: Convert to fraction form
    307,586/424,494.60 = 173,475.92/x
  3. Step 3: Cross multiply
    307,586x = 424,494.60 × 173,475.92
  4. Step 4: Simplify right side
    307,586x = 73,639,591,270.03
  5. Step 5: Solve for x
    x = 73,639,591,270.03/307,586
  6. Step 6: Final answer
    x = 239,411.39

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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.