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Finding the Fourth Proportional to 498,436.56, 746,889.12 and 338,304.24

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Solution

The fourth proportional to 498,436.56, 746,889.12 and 338,304.24 is: 506,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,436.56 : 746,889.12 = 338,304.24 : x
  2. Step 2: Convert to fraction form
    498,436.56/746,889.12 = 338,304.24/x
  3. Step 3: Cross multiply
    498,436.56x = 746,889.12 × 338,304.24
  4. Step 4: Simplify right side
    498,436.56x = 252,675,756,105.87
  5. Step 5: Solve for x
    x = 252,675,756,105.87/498,436.56
  6. Step 6: Final answer
    x = 506,936.64

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1.5x scale

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.