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Finding the Fourth Proportional to 479,438.88, 719,600.04 and 242,949.12

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Solution

The fourth proportional to 479,438.88, 719,600.04 and 242,949.12 is: 364,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,438.88 : 719,600.04 = 242,949.12 : x
  2. Step 2: Convert to fraction form
    479,438.88/719,600.04 = 242,949.12/x
  3. Step 3: Cross multiply
    479,438.88x = 719,600.04 × 242,949.12
  4. Step 4: Simplify right side
    479,438.88x = 174,826,196,469.97
  5. Step 5: Solve for x
    x = 174,826,196,469.97/479,438.88
  6. Step 6: Final answer
    x = 364,647.52

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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.