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Finding the Fourth Proportional to 267,533.49, 401,256.50 and 80,501.25

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Solution

The fourth proportional to 267,533.49, 401,256.50 and 80,501.25 is: 120,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,533.49 : 401,256.50 = 80,501.25 : x
  2. Step 2: Convert to fraction form
    267,533.49/401,256.50 = 80,501.25/x
  3. Step 3: Cross multiply
    267,533.49x = 401,256.50 × 80,501.25
  4. Step 4: Simplify right side
    267,533.49x = 32,301,649,418.12
  5. Step 5: Solve for x
    x = 32,301,649,418.12/267,533.49
  6. Step 6: Final answer
    x = 120,738.71

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1.5x scale

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.