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Finding the Fourth Proportional to 329,481.27, 454,666.37 and 186,232.77

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Solution

The fourth proportional to 329,481.27, 454,666.37 and 186,232.77 is: 256,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,481.27 : 454,666.37 = 186,232.77 : x
  2. Step 2: Convert to fraction form
    329,481.27/454,666.37 = 186,232.77/x
  3. Step 3: Cross multiply
    329,481.27x = 454,666.37 × 186,232.77
  4. Step 4: Simplify right side
    329,481.27x = 84,673,776,579.78
  5. Step 5: Solve for x
    x = 84,673,776,579.78/329,481.27
  6. Step 6: Final answer
    x = 256,991.17

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1.5x scale

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.