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Finding the Fourth Proportional to 329,518.11, 454,754.60 and 186,291.48

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Solution

The fourth proportional to 329,518.11, 454,754.60 and 186,291.48 is: 257,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,518.11 : 454,754.60 = 186,291.48 : x
  2. Step 2: Convert to fraction form
    329,518.11/454,754.60 = 186,291.48/x
  3. Step 3: Cross multiply
    329,518.11x = 454,754.60 × 186,291.48
  4. Step 4: Simplify right side
    329,518.11x = 84,716,907,470.81
  5. Step 5: Solve for x
    x = 84,716,907,470.81/329,518.11
  6. Step 6: Final answer
    x = 257,093.33

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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.