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Finding the Fourth Proportional to 201,438.45, 301,665.60 and 151,246.80

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Solution

The fourth proportional to 201,438.45, 301,665.60 and 151,246.80 is: 226,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,438.45 : 301,665.60 = 151,246.80 : x
  2. Step 2: Convert to fraction form
    201,438.45/301,665.60 = 151,246.80/x
  3. Step 3: Cross multiply
    201,438.45x = 301,665.60 × 151,246.80
  4. Step 4: Simplify right side
    201,438.45x = 45,625,956,670.08
  5. Step 5: Solve for x
    x = 45,625,956,670.08/201,438.45
  6. Step 6: Final answer
    x = 226,500.73

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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.