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Finding the Fourth Proportional to 329,187.91, 454,279.32 and 178,284.91

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Solution

The fourth proportional to 329,187.91, 454,279.32 and 178,284.91 is: 246,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,187.91 : 454,279.32 = 178,284.91 : x
  2. Step 2: Convert to fraction form
    329,187.91/454,279.32 = 178,284.91/x
  3. Step 3: Cross multiply
    329,187.91x = 454,279.32 × 178,284.91
  4. Step 4: Simplify right side
    329,187.91x = 80,991,145,409.66
  5. Step 5: Solve for x
    x = 80,991,145,409.66/329,187.91
  6. Step 6: Final answer
    x = 246,033.17

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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.