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Finding the Fourth Proportional to 451,553.33, 676,001.28 and 301,421.23

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Solution

The fourth proportional to 451,553.33, 676,001.28 and 301,421.23 is: 451,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,553.33 : 676,001.28 = 301,421.23 : x
  2. Step 2: Convert to fraction form
    451,553.33/676,001.28 = 301,421.23/x
  3. Step 3: Cross multiply
    451,553.33x = 676,001.28 × 301,421.23
  4. Step 4: Simplify right side
    451,553.33x = 203,761,137,299.17
  5. Step 5: Solve for x
    x = 203,761,137,299.17/451,553.33
  6. Step 6: Final answer
    x = 451,244.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.