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Finding the Fourth Proportional to 349,446.31, 482,119.92 and 284,804.39

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Solution

The fourth proportional to 349,446.31, 482,119.92 and 284,804.39 is: 392,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,446.31 : 482,119.92 = 284,804.39 : x
  2. Step 2: Convert to fraction form
    349,446.31/482,119.92 = 284,804.39/x
  3. Step 3: Cross multiply
    349,446.31x = 482,119.92 × 284,804.39
  4. Step 4: Simplify right side
    349,446.31x = 137,309,870,927.75
  5. Step 5: Solve for x
    x = 137,309,870,927.75/349,446.31
  6. Step 6: Final answer
    x = 392,935.53

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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.