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Finding the Fourth Proportional to 304,859.24, 457,156.42 and 162,672.80

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Solution

The fourth proportional to 304,859.24, 457,156.42 and 162,672.80 is: 243,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,859.24 : 457,156.42 = 162,672.80 : x
  2. Step 2: Convert to fraction form
    304,859.24/457,156.42 = 162,672.80/x
  3. Step 3: Cross multiply
    304,859.24x = 457,156.42 × 162,672.80
  4. Step 4: Simplify right side
    304,859.24x = 74,366,914,879.38
  5. Step 5: Solve for x
    x = 74,366,914,879.38/304,859.24
  6. Step 6: Final answer
    x = 243,938.53

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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.