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Finding the Fourth Proportional to 356,902.40, 535,441.92 and 251,927.04

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Solution

The fourth proportional to 356,902.40, 535,441.92 and 251,927.04 is: 377,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,902.40 : 535,441.92 = 251,927.04 : x
  2. Step 2: Convert to fraction form
    356,902.40/535,441.92 = 251,927.04/x
  3. Step 3: Cross multiply
    356,902.40x = 535,441.92 × 251,927.04
  4. Step 4: Simplify right side
    356,902.40x = 134,892,297,997.52
  5. Step 5: Solve for x
    x = 134,892,297,997.52/356,902.40
  6. Step 6: Final answer
    x = 377,952.90

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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.