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Finding the Fourth Proportional to 443,494.80, 611,849.16 and 273,433.68

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Solution

The fourth proportional to 443,494.80, 611,849.16 and 273,433.68 is: 377,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,494.80 : 611,849.16 = 273,433.68 : x
  2. Step 2: Convert to fraction form
    443,494.80/611,849.16 = 273,433.68/x
  3. Step 3: Cross multiply
    443,494.80x = 611,849.16 × 273,433.68
  4. Step 4: Simplify right side
    443,494.80x = 167,300,167,423.71
  5. Step 5: Solve for x
    x = 167,300,167,423.71/443,494.80
  6. Step 6: Final answer
    x = 377,231.41

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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.