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Finding the Fourth Proportional to 329,606.91, 454,866.50 and 186,388.38

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Solution

The fourth proportional to 329,606.91, 454,866.50 and 186,388.38 is: 257,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,606.91 : 454,866.50 = 186,388.38 : x
  2. Step 2: Convert to fraction form
    329,606.91/454,866.50 = 186,388.38/x
  3. Step 3: Cross multiply
    329,606.91x = 454,866.50 × 186,388.38
  4. Step 4: Simplify right side
    329,606.91x = 84,781,830,051.27
  5. Step 5: Solve for x
    x = 84,781,830,051.27/329,606.91
  6. Step 6: Final answer
    x = 257,221.03

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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.