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Finding the Fourth Proportional to 481,650.48, 664,425.66 and 297,830.28

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Solution

The fourth proportional to 481,650.48, 664,425.66 and 297,830.28 is: 410,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,650.48 : 664,425.66 = 297,830.28 : x
  2. Step 2: Convert to fraction form
    481,650.48/664,425.66 = 297,830.28/x
  3. Step 3: Cross multiply
    481,650.48x = 664,425.66 × 297,830.28
  4. Step 4: Simplify right side
    481,650.48x = 197,886,080,356.99
  5. Step 5: Solve for x
    x = 197,886,080,356.99/481,650.48
  6. Step 6: Final answer
    x = 410,849.96

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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.