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Finding the Fourth Proportional to 329,068.92, 490,795.83 and 323,382.68

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Solution

The fourth proportional to 329,068.92, 490,795.83 and 323,382.68 is: 482,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.92 : 490,795.83 = 323,382.68 : x
  2. Step 2: Convert to fraction form
    329,068.92/490,795.83 = 323,382.68/x
  3. Step 3: Cross multiply
    329,068.92x = 490,795.83 × 323,382.68
  4. Step 4: Simplify right side
    329,068.92x = 158,714,870,838.22
  5. Step 5: Solve for x
    x = 158,714,870,838.22/329,068.92
  6. Step 6: Final answer
    x = 482,314.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.