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Finding the Fourth Proportional to 443,495.80, 611,850.54 and 273,434.68

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Solution

The fourth proportional to 443,495.80, 611,850.54 and 273,434.68 is: 377,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,495.80 : 611,850.54 = 273,434.68 : x
  2. Step 2: Convert to fraction form
    443,495.80/611,850.54 = 273,434.68/x
  3. Step 3: Cross multiply
    443,495.80x = 611,850.54 × 273,434.68
  4. Step 4: Simplify right side
    443,495.80x = 167,301,156,612.73
  5. Step 5: Solve for x
    x = 167,301,156,612.73/443,495.80
  6. Step 6: Final answer
    x = 377,232.79

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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.