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Finding the Fourth Proportional to 481,031.73, 663,824.97 and 266,186.52

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Solution

The fourth proportional to 481,031.73, 663,824.97 and 266,186.52 is: 367,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.73 : 663,824.97 = 266,186.52 : x
  2. Step 2: Convert to fraction form
    481,031.73/663,824.97 = 266,186.52/x
  3. Step 3: Cross multiply
    481,031.73x = 663,824.97 × 266,186.52
  4. Step 4: Simplify right side
    481,031.73x = 176,701,258,653.40
  5. Step 5: Solve for x
    x = 176,701,258,653.40/481,031.73
  6. Step 6: Final answer
    x = 367,338.05

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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.