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Finding the Fourth Proportional to 358,771.14, 537,893.19 and 171,913.86

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Solution

The fourth proportional to 358,771.14, 537,893.19 and 171,913.86 is: 257,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,771.14 : 537,893.19 = 171,913.86 : x
  2. Step 2: Convert to fraction form
    358,771.14/537,893.19 = 171,913.86/x
  3. Step 3: Cross multiply
    358,771.14x = 537,893.19 × 171,913.86
  4. Step 4: Simplify right side
    358,771.14x = 92,471,294,560.61
  5. Step 5: Solve for x
    x = 92,471,294,560.61/358,771.14
  6. Step 6: Final answer
    x = 257,744.52

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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.