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Finding the Fourth Proportional to 363,140.38, 544,725.24 and 126,506.98

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Solution

The fourth proportional to 363,140.38, 544,725.24 and 126,506.98 is: 189,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,140.38 : 544,725.24 = 126,506.98 : x
  2. Step 2: Convert to fraction form
    363,140.38/544,725.24 = 126,506.98/x
  3. Step 3: Cross multiply
    363,140.38x = 544,725.24 × 126,506.98
  4. Step 4: Simplify right side
    363,140.38x = 68,911,545,042.18
  5. Step 5: Solve for x
    x = 68,911,545,042.18/363,140.38
  6. Step 6: Final answer
    x = 189,765.58

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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.