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Finding the Fourth Proportional to 329,626.88, 454,866 and 186,416.96

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Solution

The fourth proportional to 329,626.88, 454,866 and 186,416.96 is: 257,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,626.88 : 454,866 = 186,416.96 : x
  2. Step 2: Convert to fraction form
    329,626.88/454,866 = 186,416.96/x
  3. Step 3: Cross multiply
    329,626.88x = 454,866 × 186,416.96
  4. Step 4: Simplify right side
    329,626.88x = 84,794,736,927.36
  5. Step 5: Solve for x
    x = 84,794,736,927.36/329,626.88
  6. Step 6: Final answer
    x = 257,244.61

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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.