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Finding the Fourth Proportional to 424,286.44, 585,348.28 and 242,900.60

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Solution

The fourth proportional to 424,286.44, 585,348.28 and 242,900.60 is: 335,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,286.44 : 585,348.28 = 242,900.60 : x
  2. Step 2: Convert to fraction form
    424,286.44/585,348.28 = 242,900.60/x
  3. Step 3: Cross multiply
    424,286.44x = 585,348.28 × 242,900.60
  4. Step 4: Simplify right side
    424,286.44x = 142,181,444,886.98
  5. Step 5: Solve for x
    x = 142,181,444,886.98/424,286.44
  6. Step 6: Final answer
    x = 335,107.21

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1.5x scale

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.