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Finding the Fourth Proportional to 431,279.64, 595,169.93 and 237,694.25

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Solution

The fourth proportional to 431,279.64, 595,169.93 and 237,694.25 is: 328,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,279.64 : 595,169.93 = 237,694.25 : x
  2. Step 2: Convert to fraction form
    431,279.64/595,169.93 = 237,694.25/x
  3. Step 3: Cross multiply
    431,279.64x = 595,169.93 × 237,694.25
  4. Step 4: Simplify right side
    431,279.64x = 141,468,470,433.36
  5. Step 5: Solve for x
    x = 141,468,470,433.36/431,279.64
  6. Step 6: Final answer
    x = 328,020.29

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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.