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Finding the Fourth Proportional to 250,497.48, 345,738.72 and 230,322.48

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Solution

The fourth proportional to 250,497.48, 345,738.72 and 230,322.48 is: 317,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,497.48 : 345,738.72 = 230,322.48 : x
  2. Step 2: Convert to fraction form
    250,497.48/345,738.72 = 230,322.48/x
  3. Step 3: Cross multiply
    250,497.48x = 345,738.72 × 230,322.48
  4. Step 4: Simplify right side
    250,497.48x = 79,631,399,422.43
  5. Step 5: Solve for x
    x = 79,631,399,422.43/250,497.48
  6. Step 6: Final answer
    x = 317,893.02

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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.