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Finding the Fourth Proportional to 504,138.42, 756,522.87 and 204,618.96

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Solution

The fourth proportional to 504,138.42, 756,522.87 and 204,618.96 is: 307,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,138.42 : 756,522.87 = 204,618.96 : x
  2. Step 2: Convert to fraction form
    504,138.42/756,522.87 = 204,618.96/x
  3. Step 3: Cross multiply
    504,138.42x = 756,522.87 × 204,618.96
  4. Step 4: Simplify right side
    504,138.42x = 154,798,922,875.62
  5. Step 5: Solve for x
    x = 154,798,922,875.62/504,138.42
  6. Step 6: Final answer
    x = 307,056.39

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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.