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Finding the Fourth Proportional to 338,935.62, 467,715.49 and 185,970

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Solution

The fourth proportional to 338,935.62, 467,715.49 and 185,970 is: 256,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,935.62 : 467,715.49 = 185,970 : x
  2. Step 2: Convert to fraction form
    338,935.62/467,715.49 = 185,970/x
  3. Step 3: Cross multiply
    338,935.62x = 467,715.49 × 185,970
  4. Step 4: Simplify right side
    338,935.62x = 86,981,049,675.30
  5. Step 5: Solve for x
    x = 86,981,049,675.30/338,935.62
  6. Step 6: Final answer
    x = 256,630.00

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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.