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Finding the Fourth Proportional to 316,806.42, 437,189.14 and 171,609.46

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Solution

The fourth proportional to 316,806.42, 437,189.14 and 171,609.46 is: 236,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,806.42 : 437,189.14 = 171,609.46 : x
  2. Step 2: Convert to fraction form
    316,806.42/437,189.14 = 171,609.46/x
  3. Step 3: Cross multiply
    316,806.42x = 437,189.14 × 171,609.46
  4. Step 4: Simplify right side
    316,806.42x = 75,025,792,233.26
  5. Step 5: Solve for x
    x = 75,025,792,233.26/316,806.42
  6. Step 6: Final answer
    x = 236,819.04

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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.