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Finding the Fourth Proportional to 493,965.60, 681,673.22 and 267,611.10

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Solution

The fourth proportional to 493,965.60, 681,673.22 and 267,611.10 is: 369,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,965.60 : 681,673.22 = 267,611.10 : x
  2. Step 2: Convert to fraction form
    493,965.60/681,673.22 = 267,611.10/x
  3. Step 3: Cross multiply
    493,965.60x = 681,673.22 × 267,611.10
  4. Step 4: Simplify right side
    493,965.60x = 182,423,315,498.32
  5. Step 5: Solve for x
    x = 182,423,315,498.32/493,965.60
  6. Step 6: Final answer
    x = 369,303.69

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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.