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Finding the Fourth Proportional to 367,902, 551,853 and 146,441.52

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Solution

The fourth proportional to 367,902, 551,853 and 146,441.52 is: 219,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,902 : 551,853 = 146,441.52 : x
  2. Step 2: Convert to fraction form
    367,902/551,853 = 146,441.52/x
  3. Step 3: Cross multiply
    367,902x = 551,853 × 146,441.52
  4. Step 4: Simplify right side
    367,902x = 80,814,192,136.56
  5. Step 5: Solve for x
    x = 80,814,192,136.56/367,902
  6. Step 6: Final answer
    x = 219,662.28

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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.