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Finding the Fourth Proportional to 448,626.87, 619,083.24 and 267,334.76

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Solution

The fourth proportional to 448,626.87, 619,083.24 and 267,334.76 is: 368,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,626.87 : 619,083.24 = 267,334.76 : x
  2. Step 2: Convert to fraction form
    448,626.87/619,083.24 = 267,334.76/x
  3. Step 3: Cross multiply
    448,626.87x = 619,083.24 × 267,334.76
  4. Step 4: Simplify right side
    448,626.87x = 165,502,469,930.63
  5. Step 5: Solve for x
    x = 165,502,469,930.63/448,626.87
  6. Step 6: Final answer
    x = 368,908.96

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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.