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Finding the Fourth Proportional to 537,956.50, 804,687.38 and 378,021.18

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Solution

The fourth proportional to 537,956.50, 804,687.38 and 378,021.18 is: 565,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,956.50 : 804,687.38 = 378,021.18 : x
  2. Step 2: Convert to fraction form
    537,956.50/804,687.38 = 378,021.18/x
  3. Step 3: Cross multiply
    537,956.50x = 804,687.38 × 378,021.18
  4. Step 4: Simplify right side
    537,956.50x = 304,188,872,918.71
  5. Step 5: Solve for x
    x = 304,188,872,918.71/537,956.50
  6. Step 6: Final answer
    x = 565,452.55

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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.