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Finding the Fourth Proportional to 226,709.60, 340,064.40 and 191,717.60

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Solution

The fourth proportional to 226,709.60, 340,064.40 and 191,717.60 is: 287,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,709.60 : 340,064.40 = 191,717.60 : x
  2. Step 2: Convert to fraction form
    226,709.60/340,064.40 = 191,717.60/x
  3. Step 3: Cross multiply
    226,709.60x = 340,064.40 × 191,717.60
  4. Step 4: Simplify right side
    226,709.60x = 65,196,330,613.44
  5. Step 5: Solve for x
    x = 65,196,330,613.44/226,709.60
  6. Step 6: Final answer
    x = 287,576.40

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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.