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Finding the Fourth Proportional to 338,845.38, 467,621.41 and 202,853.13

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Solution

The fourth proportional to 338,845.38, 467,621.41 and 202,853.13 is: 279,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,845.38 : 467,621.41 = 202,853.13 : x
  2. Step 2: Convert to fraction form
    338,845.38/467,621.41 = 202,853.13/x
  3. Step 3: Cross multiply
    338,845.38x = 467,621.41 × 202,853.13
  4. Step 4: Simplify right side
    338,845.38x = 94,858,466,673.51
  5. Step 5: Solve for x
    x = 94,858,466,673.51/338,845.38
  6. Step 6: Final answer
    x = 279,946.17

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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.