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Finding the Fourth Proportional to 431,282, 595,173.18 and 237,696.61

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Solution

The fourth proportional to 431,282, 595,173.18 and 237,696.61 is: 328,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,282 : 595,173.18 = 237,696.61 : x
  2. Step 2: Convert to fraction form
    431,282/595,173.18 = 237,696.61/x
  3. Step 3: Cross multiply
    431,282x = 595,173.18 × 237,696.61
  4. Step 4: Simplify right side
    431,282x = 141,470,647,248.92
  5. Step 5: Solve for x
    x = 141,470,647,248.92/431,282
  6. Step 6: Final answer
    x = 328,023.54

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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.