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Finding the Fourth Proportional to 551,285.82, 825,821.54 and 251,353.82

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Solution

The fourth proportional to 551,285.82, 825,821.54 and 251,353.82 is: 376,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,285.82 : 825,821.54 = 251,353.82 : x
  2. Step 2: Convert to fraction form
    551,285.82/825,821.54 = 251,353.82/x
  3. Step 3: Cross multiply
    551,285.82x = 825,821.54 × 251,353.82
  4. Step 4: Simplify right side
    551,285.82x = 207,573,398,717.28
  5. Step 5: Solve for x
    x = 207,573,398,717.28/551,285.82
  6. Step 6: Final answer
    x = 376,525.92

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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.