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Finding the Fourth Proportional to 358,797.64, 537,540.08 and 169,414.40

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Solution

The fourth proportional to 358,797.64, 537,540.08 and 169,414.40 is: 253,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,797.64 : 537,540.08 = 169,414.40 : x
  2. Step 2: Convert to fraction form
    358,797.64/537,540.08 = 169,414.40/x
  3. Step 3: Cross multiply
    358,797.64x = 537,540.08 × 169,414.40
  4. Step 4: Simplify right side
    358,797.64x = 91,067,030,129.15
  5. Step 5: Solve for x
    x = 91,067,030,129.15/358,797.64
  6. Step 6: Final answer
    x = 253,811.68

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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.