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Finding the Fourth Proportional to 662,310.38, 993,489.71 and 235,877.58

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Solution

The fourth proportional to 662,310.38, 993,489.71 and 235,877.58 is: 353,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,310.38 : 993,489.71 = 235,877.58 : x
  2. Step 2: Convert to fraction form
    662,310.38/993,489.71 = 235,877.58/x
  3. Step 3: Cross multiply
    662,310.38x = 993,489.71 × 235,877.58
  4. Step 4: Simplify right side
    662,310.38x = 234,341,947,370.31
  5. Step 5: Solve for x
    x = 234,341,947,370.31/662,310.38
  6. Step 6: Final answer
    x = 353,824.97

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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.