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Finding the Fourth Proportional to 433,656.45, 650,546.64 and 134,162.60

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Solution

The fourth proportional to 433,656.45, 650,546.64 and 134,162.60 is: 201,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,656.45 : 650,546.64 = 134,162.60 : x
  2. Step 2: Convert to fraction form
    433,656.45/650,546.64 = 134,162.60/x
  3. Step 3: Cross multiply
    433,656.45x = 650,546.64 × 134,162.60
  4. Step 4: Simplify right side
    433,656.45x = 87,279,025,390.93
  5. Step 5: Solve for x
    x = 87,279,025,390.93/433,656.45
  6. Step 6: Final answer
    x = 201,263.06

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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.