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Finding the Fourth Proportional to 576,825.48, 865,252.17 and 177,469.56

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Solution

The fourth proportional to 576,825.48, 865,252.17 and 177,469.56 is: 266,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,825.48 : 865,252.17 = 177,469.56 : x
  2. Step 2: Convert to fraction form
    576,825.48/865,252.17 = 177,469.56/x
  3. Step 3: Cross multiply
    576,825.48x = 865,252.17 × 177,469.56
  4. Step 4: Simplify right side
    576,825.48x = 153,555,921,898.95
  5. Step 5: Solve for x
    x = 153,555,921,898.95/576,825.48
  6. Step 6: Final answer
    x = 266,208.63

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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.