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Finding the Fourth Proportional to 365,978.00, 548,586.39 and 141,492.62

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Solution

The fourth proportional to 365,978.00, 548,586.39 and 141,492.62 is: 212,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,978.00 : 548,586.39 = 141,492.62 : x
  2. Step 2: Convert to fraction form
    365,978.00/548,586.39 = 141,492.62/x
  3. Step 3: Cross multiply
    365,978.00x = 548,586.39 × 141,492.62
  4. Step 4: Simplify right side
    365,978.00x = 77,620,922,874.51
  5. Step 5: Solve for x
    x = 77,620,922,874.51/365,978.00
  6. Step 6: Final answer
    x = 212,091.78

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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.