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Finding the Fourth Proportional to 323,145.72, 444,967.22 and 304,208.73

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Solution

The fourth proportional to 323,145.72, 444,967.22 and 304,208.73 is: 418,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,145.72 : 444,967.22 = 304,208.73 : x
  2. Step 2: Convert to fraction form
    323,145.72/444,967.22 = 304,208.73/x
  3. Step 3: Cross multiply
    323,145.72x = 444,967.22 × 304,208.73
  4. Step 4: Simplify right side
    323,145.72x = 135,362,913,648.35
  5. Step 5: Solve for x
    x = 135,362,913,648.35/323,145.72
  6. Step 6: Final answer
    x = 418,891.25

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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.