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Finding the Fourth Proportional to 471,385.92, 650,326.68 and 349,176

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Solution

The fourth proportional to 471,385.92, 650,326.68 and 349,176 is: 481,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,385.92 : 650,326.68 = 349,176 : x
  2. Step 2: Convert to fraction form
    471,385.92/650,326.68 = 349,176/x
  3. Step 3: Cross multiply
    471,385.92x = 650,326.68 × 349,176
  4. Step 4: Simplify right side
    471,385.92x = 227,078,468,815.68
  5. Step 5: Solve for x
    x = 227,078,468,815.68/471,385.92
  6. Step 6: Final answer
    x = 481,725.18

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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.