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Finding the Fourth Proportional to 316,696.56, 437,042.42 and 171,502.41

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Solution

The fourth proportional to 316,696.56, 437,042.42 and 171,502.41 is: 236,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,696.56 : 437,042.42 = 171,502.41 : x
  2. Step 2: Convert to fraction form
    316,696.56/437,042.42 = 171,502.41/x
  3. Step 3: Cross multiply
    316,696.56x = 437,042.42 × 171,502.41
  4. Step 4: Simplify right side
    316,696.56x = 74,953,828,302.23
  5. Step 5: Solve for x
    x = 74,953,828,302.23/316,696.56
  6. Step 6: Final answer
    x = 236,673.96

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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.