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Finding the Fourth Proportional to 347,802.99, 522,234.22 and 330,676.66

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Solution

The fourth proportional to 347,802.99, 522,234.22 and 330,676.66 is: 496,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,802.99 : 522,234.22 = 330,676.66 : x
  2. Step 2: Convert to fraction form
    347,802.99/522,234.22 = 330,676.66/x
  3. Step 3: Cross multiply
    347,802.99x = 522,234.22 × 330,676.66
  4. Step 4: Simplify right side
    347,802.99x = 172,690,666,780.61
  5. Step 5: Solve for x
    x = 172,690,666,780.61/347,802.99
  6. Step 6: Final answer
    x = 496,518.64

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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.