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Finding the Fourth Proportional to 367,992.72, 507,919.36 and 224,873.28

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Solution

The fourth proportional to 367,992.72, 507,919.36 and 224,873.28 is: 310,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,992.72 : 507,919.36 = 224,873.28 : x
  2. Step 2: Convert to fraction form
    367,992.72/507,919.36 = 224,873.28/x
  3. Step 3: Cross multiply
    367,992.72x = 507,919.36 × 224,873.28
  4. Step 4: Simplify right side
    367,992.72x = 114,217,492,458.70
  5. Step 5: Solve for x
    x = 114,217,492,458.70/367,992.72
  6. Step 6: Final answer
    x = 310,379.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.