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Finding the Fourth Proportional to 304,775.02, 420,584.89 and 166,952.85

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Solution

The fourth proportional to 304,775.02, 420,584.89 and 166,952.85 is: 230,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,775.02 : 420,584.89 = 166,952.85 : x
  2. Step 2: Convert to fraction form
    304,775.02/420,584.89 = 166,952.85/x
  3. Step 3: Cross multiply
    304,775.02x = 420,584.89 × 166,952.85
  4. Step 4: Simplify right side
    304,775.02x = 70,217,846,052.44
  5. Step 5: Solve for x
    x = 70,217,846,052.44/304,775.02
  6. Step 6: Final answer
    x = 230,392.39

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1.5x scale

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.