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Finding the Fourth Proportional to 338,964.40, 467,769.57 and 186,005.14

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Solution

The fourth proportional to 338,964.40, 467,769.57 and 186,005.14 is: 256,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.40 : 467,769.57 = 186,005.14 : x
  2. Step 2: Convert to fraction form
    338,964.40/467,769.57 = 186,005.14/x
  3. Step 3: Cross multiply
    338,964.40x = 467,769.57 × 186,005.14
  4. Step 4: Simplify right side
    338,964.40x = 87,007,544,594.99
  5. Step 5: Solve for x
    x = 87,007,544,594.99/338,964.40
  6. Step 6: Final answer
    x = 256,686.38

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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.