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Finding the Fourth Proportional to 329,485.32, 454,696.74 and 186,236.82

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Solution

The fourth proportional to 329,485.32, 454,696.74 and 186,236.82 is: 257,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,485.32 : 454,696.74 = 186,236.82 : x
  2. Step 2: Convert to fraction form
    329,485.32/454,696.74 = 186,236.82/x
  3. Step 3: Cross multiply
    329,485.32x = 454,696.74 × 186,236.82
  4. Step 4: Simplify right side
    329,485.32x = 84,681,274,921.97
  5. Step 5: Solve for x
    x = 84,681,274,921.97/329,485.32
  6. Step 6: Final answer
    x = 257,010.77

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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.