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Finding the Fourth Proportional to 451,553.84, 676,002.02 and 301,421.74

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Solution

The fourth proportional to 451,553.84, 676,002.02 and 301,421.74 is: 451,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,553.84 : 676,002.02 = 301,421.74 : x
  2. Step 2: Convert to fraction form
    451,553.84/676,002.02 = 301,421.74/x
  3. Step 3: Cross multiply
    451,553.84x = 676,002.02 × 301,421.74
  4. Step 4: Simplify right side
    451,553.84x = 203,761,705,111.92
  5. Step 5: Solve for x
    x = 203,761,705,111.92/451,553.84
  6. Step 6: Final answer
    x = 451,245.65

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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.