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Finding the Fourth Proportional to 302,626.75, 417,611.41 and 173,472.61

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Solution

The fourth proportional to 302,626.75, 417,611.41 and 173,472.61 is: 239,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,626.75 : 417,611.41 = 173,472.61 : x
  2. Step 2: Convert to fraction form
    302,626.75/417,611.41 = 173,472.61/x
  3. Step 3: Cross multiply
    302,626.75x = 417,611.41 × 173,472.61
  4. Step 4: Simplify right side
    302,626.75x = 72,444,141,258.48
  5. Step 5: Solve for x
    x = 72,444,141,258.48/302,626.75
  6. Step 6: Final answer
    x = 239,384.46

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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.