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Finding the Fourth Proportional to 433,475.20, 650,180.40 and 180,690.40

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Solution

The fourth proportional to 433,475.20, 650,180.40 and 180,690.40 is: 271,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,475.20 : 650,180.40 = 180,690.40 : x
  2. Step 2: Convert to fraction form
    433,475.20/650,180.40 = 180,690.40/x
  3. Step 3: Cross multiply
    433,475.20x = 650,180.40 × 180,690.40
  4. Step 4: Simplify right side
    433,475.20x = 117,481,356,548.16
  5. Step 5: Solve for x
    x = 117,481,356,548.16/433,475.20
  6. Step 6: Final answer
    x = 271,022.09

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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.