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Finding the Fourth Proportional to 482,996.72, 666,537.81 and 301,813.88

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Solution

The fourth proportional to 482,996.72, 666,537.81 and 301,813.88 is: 416,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,996.72 : 666,537.81 = 301,813.88 : x
  2. Step 2: Convert to fraction form
    482,996.72/666,537.81 = 301,813.88/x
  3. Step 3: Cross multiply
    482,996.72x = 666,537.81 × 301,813.88
  4. Step 4: Simplify right side
    482,996.72x = 201,170,362,602.80
  5. Step 5: Solve for x
    x = 201,170,362,602.80/482,996.72
  6. Step 6: Final answer
    x = 416,504.61

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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.