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Finding the Fourth Proportional to 275,589.52, 380,355.15 and 168,222.04

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Solution

The fourth proportional to 275,589.52, 380,355.15 and 168,222.04 is: 232,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,589.52 : 380,355.15 = 168,222.04 : x
  2. Step 2: Convert to fraction form
    275,589.52/380,355.15 = 168,222.04/x
  3. Step 3: Cross multiply
    275,589.52x = 380,355.15 × 168,222.04
  4. Step 4: Simplify right side
    275,589.52x = 63,984,119,257.51
  5. Step 5: Solve for x
    x = 63,984,119,257.51/275,589.52
  6. Step 6: Final answer
    x = 232,171.82

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1.5x scale

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.