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Finding the Fourth Proportional to 482,092.12, 722,846.49 and 215,803

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Solution

The fourth proportional to 482,092.12, 722,846.49 and 215,803 is: 323,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,092.12 : 722,846.49 = 215,803 : x
  2. Step 2: Convert to fraction form
    482,092.12/722,846.49 = 215,803/x
  3. Step 3: Cross multiply
    482,092.12x = 722,846.49 × 215,803
  4. Step 4: Simplify right side
    482,092.12x = 155,992,441,081.47
  5. Step 5: Solve for x
    x = 155,992,441,081.47/482,092.12
  6. Step 6: Final answer
    x = 323,573.93

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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.