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Finding the Fourth Proportional to 451,553.34, 676,001.28 and 301,421.22

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Solution

The fourth proportional to 451,553.34, 676,001.28 and 301,421.22 is: 451,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,553.34 : 676,001.28 = 301,421.22 : x
  2. Step 2: Convert to fraction form
    451,553.34/676,001.28 = 301,421.22/x
  3. Step 3: Cross multiply
    451,553.34x = 676,001.28 × 301,421.22
  4. Step 4: Simplify right side
    451,553.34x = 203,761,130,539.16
  5. Step 5: Solve for x
    x = 203,761,130,539.16/451,553.34
  6. Step 6: Final answer
    x = 451,244.88

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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.