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Finding the Fourth Proportional to 351,925.82, 485,846.07 and 275,282.07

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Solution

The fourth proportional to 351,925.82, 485,846.07 and 275,282.07 is: 380,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,925.82 : 485,846.07 = 275,282.07 : x
  2. Step 2: Convert to fraction form
    351,925.82/485,846.07 = 275,282.07/x
  3. Step 3: Cross multiply
    351,925.82x = 485,846.07 × 275,282.07
  4. Step 4: Simplify right side
    351,925.82x = 133,744,708,996.73
  5. Step 5: Solve for x
    x = 133,744,708,996.73/351,925.82
  6. Step 6: Final answer
    x = 380,036.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.