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Finding the Fourth Proportional to 536,086.35, 739,711.44 and 306,606.67

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Solution

The fourth proportional to 536,086.35, 739,711.44 and 306,606.67 is: 423,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,086.35 : 739,711.44 = 306,606.67 : x
  2. Step 2: Convert to fraction form
    536,086.35/739,711.44 = 306,606.67/x
  3. Step 3: Cross multiply
    536,086.35x = 739,711.44 × 306,606.67
  4. Step 4: Simplify right side
    536,086.35x = 226,800,459,530.03
  5. Step 5: Solve for x
    x = 226,800,459,530.03/536,086.35
  6. Step 6: Final answer
    x = 423,067.03

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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.