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Finding the Fourth Proportional to 223,338.60, 335,007.90 and 208,576.35

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Solution

The fourth proportional to 223,338.60, 335,007.90 and 208,576.35 is: 312,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,338.60 : 335,007.90 = 208,576.35 : x
  2. Step 2: Convert to fraction form
    223,338.60/335,007.90 = 208,576.35/x
  3. Step 3: Cross multiply
    223,338.60x = 335,007.90 × 208,576.35
  4. Step 4: Simplify right side
    223,338.60x = 69,874,725,003.17
  5. Step 5: Solve for x
    x = 69,874,725,003.17/223,338.60
  6. Step 6: Final answer
    x = 312,864.53

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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.