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Finding the Fourth Proportional to 363,690, 545,554.44 and 114,391.44

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Solution

The fourth proportional to 363,690, 545,554.44 and 114,391.44 is: 171,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,690 : 545,554.44 = 114,391.44 : x
  2. Step 2: Convert to fraction form
    363,690/545,554.44 = 114,391.44/x
  3. Step 3: Cross multiply
    363,690x = 545,554.44 × 114,391.44
  4. Step 4: Simplify right side
    363,690x = 62,406,757,989.99
  5. Step 5: Solve for x
    x = 62,406,757,989.99/363,690
  6. Step 6: Final answer
    x = 171,593.27

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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.