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Finding the Fourth Proportional to 433,672.20, 650,556.90 and 134,150.40

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Solution

The fourth proportional to 433,672.20, 650,556.90 and 134,150.40 is: 201,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,672.20 : 650,556.90 = 134,150.40 : x
  2. Step 2: Convert to fraction form
    433,672.20/650,556.90 = 134,150.40/x
  3. Step 3: Cross multiply
    433,672.20x = 650,556.90 × 134,150.40
  4. Step 4: Simplify right side
    433,672.20x = 87,272,468,357.76
  5. Step 5: Solve for x
    x = 87,272,468,357.76/433,672.20
  6. Step 6: Final answer
    x = 201,240.63

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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.