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Finding the Fourth Proportional to 484,458.75, 726,199.62 and 304,672.65

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Solution

The fourth proportional to 484,458.75, 726,199.62 and 304,672.65 is: 456,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,458.75 : 726,199.62 = 304,672.65 : x
  2. Step 2: Convert to fraction form
    484,458.75/726,199.62 = 304,672.65/x
  3. Step 3: Cross multiply
    484,458.75x = 726,199.62 × 304,672.65
  4. Step 4: Simplify right side
    484,458.75x = 221,253,162,654.39
  5. Step 5: Solve for x
    x = 221,253,162,654.39/484,458.75
  6. Step 6: Final answer
    x = 456,701.76

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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.