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Finding the Fourth Proportional to 329,169.89, 454,291.40 and 185,939.16

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Solution

The fourth proportional to 329,169.89, 454,291.40 and 185,939.16 is: 256,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,169.89 : 454,291.40 = 185,939.16 : x
  2. Step 2: Convert to fraction form
    329,169.89/454,291.40 = 185,939.16/x
  3. Step 3: Cross multiply
    329,169.89x = 454,291.40 × 185,939.16
  4. Step 4: Simplify right side
    329,169.89x = 84,470,562,433.76
  5. Step 5: Solve for x
    x = 84,470,562,433.76/329,169.89
  6. Step 6: Final answer
    x = 256,616.91

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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.