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Finding the Fourth Proportional to 367,284.28, 550,931.28 and 209,324.56

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Solution

The fourth proportional to 367,284.28, 550,931.28 and 209,324.56 is: 313,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,284.28 : 550,931.28 = 209,324.56 : x
  2. Step 2: Convert to fraction form
    367,284.28/550,931.28 = 209,324.56/x
  3. Step 3: Cross multiply
    367,284.28x = 550,931.28 × 209,324.56
  4. Step 4: Simplify right side
    367,284.28x = 115,323,447,776.24
  5. Step 5: Solve for x
    x = 115,323,447,776.24/367,284.28
  6. Step 6: Final answer
    x = 313,989.61

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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.