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Finding the Fourth Proportional to 304,879.14, 457,599.78 and 155,227.25

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Solution

The fourth proportional to 304,879.14, 457,599.78 and 155,227.25 is: 232,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,879.14 : 457,599.78 = 155,227.25 : x
  2. Step 2: Convert to fraction form
    304,879.14/457,599.78 = 155,227.25/x
  3. Step 3: Cross multiply
    304,879.14x = 457,599.78 × 155,227.25
  4. Step 4: Simplify right side
    304,879.14x = 71,031,956,594.00
  5. Step 5: Solve for x
    x = 71,031,956,594.00/304,879.14
  6. Step 6: Final answer
    x = 232,983.98

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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.