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Finding the Fourth Proportional to 267,358.30, 401,037.45 and 265,515.10

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Solution

The fourth proportional to 267,358.30, 401,037.45 and 265,515.10 is: 398,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,358.30 : 401,037.45 = 265,515.10 : x
  2. Step 2: Convert to fraction form
    267,358.30/401,037.45 = 265,515.10/x
  3. Step 3: Cross multiply
    267,358.30x = 401,037.45 × 265,515.10
  4. Step 4: Simplify right side
    267,358.30x = 106,481,498,640.50
  5. Step 5: Solve for x
    x = 106,481,498,640.50/267,358.30
  6. Step 6: Final answer
    x = 398,272.65

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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.