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Finding the Fourth Proportional to 363,483.47, 545,336.39 and 186,115.96

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Solution

The fourth proportional to 363,483.47, 545,336.39 and 186,115.96 is: 279,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,483.47 : 545,336.39 = 186,115.96 : x
  2. Step 2: Convert to fraction form
    363,483.47/545,336.39 = 186,115.96/x
  3. Step 3: Cross multiply
    363,483.47x = 545,336.39 × 186,115.96
  4. Step 4: Simplify right side
    363,483.47x = 101,495,805,747.78
  5. Step 5: Solve for x
    x = 101,495,805,747.78/363,483.47
  6. Step 6: Final answer
    x = 279,230.87

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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.