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Finding the Fourth Proportional to 431,289.29, 595,179.16 and 237,696.95

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Solution

The fourth proportional to 431,289.29, 595,179.16 and 237,696.95 is: 328,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,289.29 : 595,179.16 = 237,696.95 : x
  2. Step 2: Convert to fraction form
    431,289.29/595,179.16 = 237,696.95/x
  3. Step 3: Cross multiply
    431,289.29x = 595,179.16 × 237,696.95
  4. Step 4: Simplify right side
    431,289.29x = 141,472,271,929.27
  5. Step 5: Solve for x
    x = 141,472,271,929.27/431,289.29
  6. Step 6: Final answer
    x = 328,021.76

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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.