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Finding the Fourth Proportional to 450,825.48, 675,793.53 and 251,239.86

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Solution

The fourth proportional to 450,825.48, 675,793.53 and 251,239.86 is: 376,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,825.48 : 675,793.53 = 251,239.86 : x
  2. Step 2: Convert to fraction form
    450,825.48/675,793.53 = 251,239.86/x
  3. Step 3: Cross multiply
    450,825.48x = 675,793.53 × 251,239.86
  4. Step 4: Simplify right side
    450,825.48x = 169,786,271,866.11
  5. Step 5: Solve for x
    x = 169,786,271,866.11/450,825.48
  6. Step 6: Final answer
    x = 376,611.97

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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.