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Finding the Fourth Proportional to 375,675.55, 519,119.61 and 273,523.61

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Solution

The fourth proportional to 375,675.55, 519,119.61 and 273,523.61 is: 377,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,675.55 : 519,119.61 = 273,523.61 : x
  2. Step 2: Convert to fraction form
    375,675.55/519,119.61 = 273,523.61/x
  3. Step 3: Cross multiply
    375,675.55x = 519,119.61 × 273,523.61
  4. Step 4: Simplify right side
    375,675.55x = 141,991,469,748.99
  5. Step 5: Solve for x
    x = 141,991,469,748.99/375,675.55
  6. Step 6: Final answer
    x = 377,963.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.