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Finding the Fourth Proportional to 479,452.38, 719,620.29 and 242,962.62

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Solution

The fourth proportional to 479,452.38, 719,620.29 and 242,962.62 is: 364,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,452.38 : 719,620.29 = 242,962.62 : x
  2. Step 2: Convert to fraction form
    479,452.38/719,620.29 = 242,962.62/x
  3. Step 3: Cross multiply
    479,452.38x = 719,620.29 × 242,962.62
  4. Step 4: Simplify right side
    479,452.38x = 174,840,831,063.56
  5. Step 5: Solve for x
    x = 174,840,831,063.56/479,452.38
  6. Step 6: Final answer
    x = 364,667.77

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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.