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Finding the Fourth Proportional to 434,673.56, 651,954.96 and 168,251.80

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Solution

The fourth proportional to 434,673.56, 651,954.96 and 168,251.80 is: 252,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,673.56 : 651,954.96 = 168,251.80 : x
  2. Step 2: Convert to fraction form
    434,673.56/651,954.96 = 168,251.80/x
  3. Step 3: Cross multiply
    434,673.56x = 651,954.96 × 168,251.80
  4. Step 4: Simplify right side
    434,673.56x = 109,692,595,538.93
  5. Step 5: Solve for x
    x = 109,692,595,538.93/434,673.56
  6. Step 6: Final answer
    x = 252,356.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.