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Finding the Fourth Proportional to 498,436.47, 746,889.26 and 338,304.33

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Solution

The fourth proportional to 498,436.47, 746,889.26 and 338,304.33 is: 506,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,436.47 : 746,889.26 = 338,304.33 : x
  2. Step 2: Convert to fraction form
    498,436.47/746,889.26 = 338,304.33/x
  3. Step 3: Cross multiply
    498,436.47x = 746,889.26 × 338,304.33
  4. Step 4: Simplify right side
    498,436.47x = 252,675,868,996.97
  5. Step 5: Solve for x
    x = 252,675,868,996.97/498,436.47
  6. Step 6: Final answer
    x = 506,936.96

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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.