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Finding the Fourth Proportional to 482,682.54, 665,929.65 and 301,325.61

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Solution

The fourth proportional to 482,682.54, 665,929.65 and 301,325.61 is: 415,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,682.54 : 665,929.65 = 301,325.61 : x
  2. Step 2: Convert to fraction form
    482,682.54/665,929.65 = 301,325.61/x
  3. Step 3: Cross multiply
    482,682.54x = 665,929.65 × 301,325.61
  4. Step 4: Simplify right side
    482,682.54x = 200,661,658,003.34
  5. Step 5: Solve for x
    x = 200,661,658,003.34/482,682.54
  6. Step 6: Final answer
    x = 415,721.81

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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.