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Finding the Fourth Proportional to 338,676.84, 467,395.64 and 223,753.89

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Solution

The fourth proportional to 338,676.84, 467,395.64 and 223,753.89 is: 308,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,676.84 : 467,395.64 = 223,753.89 : x
  2. Step 2: Convert to fraction form
    338,676.84/467,395.64 = 223,753.89/x
  3. Step 3: Cross multiply
    338,676.84x = 467,395.64 × 223,753.89
  4. Step 4: Simplify right side
    338,676.84x = 104,581,592,619.04
  5. Step 5: Solve for x
    x = 104,581,592,619.04/338,676.84
  6. Step 6: Final answer
    x = 308,794.64

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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.