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Finding the Fourth Proportional to 273,004.29, 376,978.14 and 171,200.25

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Solution

The fourth proportional to 273,004.29, 376,978.14 and 171,200.25 is: 236,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,004.29 : 376,978.14 = 171,200.25 : x
  2. Step 2: Convert to fraction form
    273,004.29/376,978.14 = 171,200.25/x
  3. Step 3: Cross multiply
    273,004.29x = 376,978.14 × 171,200.25
  4. Step 4: Simplify right side
    273,004.29x = 64,538,751,812.54
  5. Step 5: Solve for x
    x = 64,538,751,812.54/273,004.29
  6. Step 6: Final answer
    x = 236,401.97

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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.