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Finding the Fourth Proportional to 361,658.80, 542,377.44 and 250,056.19

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Solution

The fourth proportional to 361,658.80, 542,377.44 and 250,056.19 is: 375,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,658.80 : 542,377.44 = 250,056.19 : x
  2. Step 2: Convert to fraction form
    361,658.80/542,377.44 = 250,056.19/x
  3. Step 3: Cross multiply
    361,658.80x = 542,377.44 × 250,056.19
  4. Step 4: Simplify right side
    361,658.80x = 135,624,836,044.17
  5. Step 5: Solve for x
    x = 135,624,836,044.17/361,658.80
  6. Step 6: Final answer
    x = 375,007.71

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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.