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Finding the Fourth Proportional to 227,456.60, 340,528.80 and 201,212.60

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Solution

The fourth proportional to 227,456.60, 340,528.80 and 201,212.60 is: 301,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,456.60 : 340,528.80 = 201,212.60 : x
  2. Step 2: Convert to fraction form
    227,456.60/340,528.80 = 201,212.60/x
  3. Step 3: Cross multiply
    227,456.60x = 340,528.80 × 201,212.60
  4. Step 4: Simplify right side
    227,456.60x = 68,518,685,222.88
  5. Step 5: Solve for x
    x = 68,518,685,222.88/227,456.60
  6. Step 6: Final answer
    x = 301,238.50

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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.