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Finding the Fourth Proportional to 275,625.86, 380,404.98 and 168,258.14

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Solution

The fourth proportional to 275,625.86, 380,404.98 and 168,258.14 is: 232,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,625.86 : 380,404.98 = 168,258.14 : x
  2. Step 2: Convert to fraction form
    275,625.86/380,404.98 = 168,258.14/x
  3. Step 3: Cross multiply
    275,625.86x = 380,404.98 × 168,258.14
  4. Step 4: Simplify right side
    275,625.86x = 64,006,234,381.54
  5. Step 5: Solve for x
    x = 64,006,234,381.54/275,625.86
  6. Step 6: Final answer
    x = 232,221.44

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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.