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Finding the Fourth Proportional to 493,765.72, 681,396.06 and 267,412.12

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Solution

The fourth proportional to 493,765.72, 681,396.06 and 267,412.12 is: 369,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,765.72 : 681,396.06 = 267,412.12 : x
  2. Step 2: Convert to fraction form
    493,765.72/681,396.06 = 267,412.12/x
  3. Step 3: Cross multiply
    493,765.72x = 681,396.06 × 267,412.12
  4. Step 4: Simplify right side
    493,765.72x = 182,213,564,964.25
  5. Step 5: Solve for x
    x = 182,213,564,964.25/493,765.72
  6. Step 6: Final answer
    x = 369,028.38

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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.