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Finding the Fourth Proportional to 267,404.20, 401,009.10 and 134,240.20

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Solution

The fourth proportional to 267,404.20, 401,009.10 and 134,240.20 is: 201,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,404.20 : 401,009.10 = 134,240.20 : x
  2. Step 2: Convert to fraction form
    267,404.20/401,009.10 = 134,240.20/x
  3. Step 3: Cross multiply
    267,404.20x = 401,009.10 × 134,240.20
  4. Step 4: Simplify right side
    267,404.20x = 53,831,541,785.82
  5. Step 5: Solve for x
    x = 53,831,541,785.82/267,404.20
  6. Step 6: Final answer
    x = 201,311.50

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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.