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Finding the Fourth Proportional to 362,301.11, 499,998.18 and 209,367.39

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Solution

The fourth proportional to 362,301.11, 499,998.18 and 209,367.39 is: 288,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,301.11 : 499,998.18 = 209,367.39 : x
  2. Step 2: Convert to fraction form
    362,301.11/499,998.18 = 209,367.39/x
  3. Step 3: Cross multiply
    362,301.11x = 499,998.18 × 209,367.39
  4. Step 4: Simplify right side
    362,301.11x = 104,683,313,951.35
  5. Step 5: Solve for x
    x = 104,683,313,951.35/362,301.11
  6. Step 6: Final answer
    x = 288,940.09

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1.5x scale

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.