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Finding the Fourth Proportional to 536,201.40, 804,885.30 and 300,005.40

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Solution

The fourth proportional to 536,201.40, 804,885.30 and 300,005.40 is: 450,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,201.40 : 804,885.30 = 300,005.40 : x
  2. Step 2: Convert to fraction form
    536,201.40/804,885.30 = 300,005.40/x
  3. Step 3: Cross multiply
    536,201.40x = 804,885.30 × 300,005.40
  4. Step 4: Simplify right side
    536,201.40x = 241,469,936,380.62
  5. Step 5: Solve for x
    x = 241,469,936,380.62/536,201.40
  6. Step 6: Final answer
    x = 450,334.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.