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Finding the Fourth Proportional to 496,189.53, 684,725.54 and 281,348.73

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Solution

The fourth proportional to 496,189.53, 684,725.54 and 281,348.73 is: 388,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,189.53 : 684,725.54 = 281,348.73 : x
  2. Step 2: Convert to fraction form
    496,189.53/684,725.54 = 281,348.73/x
  3. Step 3: Cross multiply
    496,189.53x = 684,725.54 × 281,348.73
  4. Step 4: Simplify right side
    496,189.53x = 192,646,661,077.56
  5. Step 5: Solve for x
    x = 192,646,661,077.56/496,189.53
  6. Step 6: Final answer
    x = 388,252.17

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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.