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Finding the Fourth Proportional to 330,000.36, 494,749.26 and 180,368.52

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Solution

The fourth proportional to 330,000.36, 494,749.26 and 180,368.52 is: 270,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,000.36 : 494,749.26 = 180,368.52 : x
  2. Step 2: Convert to fraction form
    330,000.36/494,749.26 = 180,368.52/x
  3. Step 3: Cross multiply
    330,000.36x = 494,749.26 × 180,368.52
  4. Step 4: Simplify right side
    330,000.36x = 89,237,191,797.30
  5. Step 5: Solve for x
    x = 89,237,191,797.30/330,000.36
  6. Step 6: Final answer
    x = 270,415.44

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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.