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Finding the Fourth Proportional to 471,696.63, 650,932.92 and 256,832.79

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Solution

The fourth proportional to 471,696.63, 650,932.92 and 256,832.79 is: 354,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,696.63 : 650,932.92 = 256,832.79 : x
  2. Step 2: Convert to fraction form
    471,696.63/650,932.92 = 256,832.79/x
  3. Step 3: Cross multiply
    471,696.63x = 650,932.92 × 256,832.79
  4. Step 4: Simplify right side
    471,696.63x = 167,180,917,946.45
  5. Step 5: Solve for x
    x = 167,180,917,946.45/471,696.63
  6. Step 6: Final answer
    x = 354,424.66

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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.