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Finding the Fourth Proportional to 363,480.81, 545,182.33 and 126,827.97

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Solution

The fourth proportional to 363,480.81, 545,182.33 and 126,827.97 is: 190,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,480.81 : 545,182.33 = 126,827.97 : x
  2. Step 2: Convert to fraction form
    363,480.81/545,182.33 = 126,827.97/x
  3. Step 3: Cross multiply
    363,480.81x = 545,182.33 × 126,827.97
  4. Step 4: Simplify right side
    363,480.81x = 69,144,368,193.77
  5. Step 5: Solve for x
    x = 69,144,368,193.77/363,480.81
  6. Step 6: Final answer
    x = 190,228.39

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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.