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Finding the Fourth Proportional to 311,201.97, 429,499.64 and 175,262.49

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Solution

The fourth proportional to 311,201.97, 429,499.64 and 175,262.49 is: 241,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,201.97 : 429,499.64 = 175,262.49 : x
  2. Step 2: Convert to fraction form
    311,201.97/429,499.64 = 175,262.49/x
  3. Step 3: Cross multiply
    311,201.97x = 429,499.64 × 175,262.49
  4. Step 4: Simplify right side
    311,201.97x = 75,275,177,554.61
  5. Step 5: Solve for x
    x = 75,275,177,554.61/311,201.97
  6. Step 6: Final answer
    x = 241,885.29

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1.5x scale

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.