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Finding the Fourth Proportional to 433,958.76, 650,970.92 and 134,469.56

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Solution

The fourth proportional to 433,958.76, 650,970.92 and 134,469.56 is: 201,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,958.76 : 650,970.92 = 134,469.56 : x
  2. Step 2: Convert to fraction form
    433,958.76/650,970.92 = 134,469.56/x
  3. Step 3: Cross multiply
    433,958.76x = 650,970.92 × 134,469.56
  4. Step 4: Simplify right side
    433,958.76x = 87,535,773,185.20
  5. Step 5: Solve for x
    x = 87,535,773,185.20/433,958.76
  6. Step 6: Final answer
    x = 201,714.50

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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.