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Finding the Fourth Proportional to 617,183.87, 924,934.55 and 377,381.44

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Solution

The fourth proportional to 617,183.87, 924,934.55 and 377,381.44 is: 565,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,183.87 : 924,934.55 = 377,381.44 : x
  2. Step 2: Convert to fraction form
    617,183.87/924,934.55 = 377,381.44/x
  3. Step 3: Cross multiply
    617,183.87x = 924,934.55 × 377,381.44
  4. Step 4: Simplify right side
    617,183.87x = 349,053,131,015.87
  5. Step 5: Solve for x
    x = 349,053,131,015.87/617,183.87
  6. Step 6: Final answer
    x = 565,557.77

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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.