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Finding the Fourth Proportional to 493,763.72, 681,393.30 and 267,410.12

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Solution

The fourth proportional to 493,763.72, 681,393.30 and 267,410.12 is: 369,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,763.72 : 681,393.30 = 267,410.12 : x
  2. Step 2: Convert to fraction form
    493,763.72/681,393.30 = 267,410.12/x
  3. Step 3: Cross multiply
    493,763.72x = 681,393.30 × 267,410.12
  4. Step 4: Simplify right side
    493,763.72x = 182,211,464,120.20
  5. Step 5: Solve for x
    x = 182,211,464,120.20/493,763.72
  6. Step 6: Final answer
    x = 369,025.62

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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.