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Finding the Fourth Proportional to 434,647.56, 651,594.42 and 168,224.70

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Solution

The fourth proportional to 434,647.56, 651,594.42 and 168,224.70 is: 252,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,647.56 : 651,594.42 = 168,224.70 : x
  2. Step 2: Convert to fraction form
    434,647.56/651,594.42 = 168,224.70/x
  3. Step 3: Cross multiply
    434,647.56x = 651,594.42 × 168,224.70
  4. Step 4: Simplify right side
    434,647.56x = 109,614,275,826.17
  5. Step 5: Solve for x
    x = 109,614,275,826.17/434,647.56
  6. Step 6: Final answer
    x = 252,191.17

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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.