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Finding the Fourth Proportional to 419,646.16, 629,473.56 and 335,938.42

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Solution

The fourth proportional to 419,646.16, 629,473.56 and 335,938.42 is: 503,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,646.16 : 629,473.56 = 335,938.42 : x
  2. Step 2: Convert to fraction form
    419,646.16/629,473.56 = 335,938.42/x
  3. Step 3: Cross multiply
    419,646.16x = 629,473.56 × 335,938.42
  4. Step 4: Simplify right side
    419,646.16x = 211,464,353,178.18
  5. Step 5: Solve for x
    x = 211,464,353,178.18/419,646.16
  6. Step 6: Final answer
    x = 503,911.09

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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.