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Finding the Fourth Proportional to 275,624.86, 380,403.60 and 168,257.14

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Solution

The fourth proportional to 275,624.86, 380,403.60 and 168,257.14 is: 232,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,624.86 : 380,403.60 = 168,257.14 : x
  2. Step 2: Convert to fraction form
    275,624.86/380,403.60 = 168,257.14/x
  3. Step 3: Cross multiply
    275,624.86x = 380,403.60 × 168,257.14
  4. Step 4: Simplify right side
    275,624.86x = 64,005,621,781.70
  5. Step 5: Solve for x
    x = 64,005,621,781.70/275,624.86
  6. Step 6: Final answer
    x = 232,220.06

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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.