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Finding the Fourth Proportional to 482,472.63, 665,376.26 and 301,201.29

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Solution

The fourth proportional to 482,472.63, 665,376.26 and 301,201.29 is: 415,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,472.63 : 665,376.26 = 301,201.29 : x
  2. Step 2: Convert to fraction form
    482,472.63/665,376.26 = 301,201.29/x
  3. Step 3: Cross multiply
    482,472.63x = 665,376.26 × 301,201.29
  4. Step 4: Simplify right side
    482,472.63x = 200,412,186,341.37
  5. Step 5: Solve for x
    x = 200,412,186,341.37/482,472.63
  6. Step 6: Final answer
    x = 415,385.61

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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.